Class / Patent application number | Description | Number of patent applications / Date published |
417374000 | Including manual, mechanical, or diverse drive | 53 |
20090116979 | Piston vibratory pump - A vibratory pump for dispensing a fluid in a highly controllable manner includes a pumping mechanism in which a piston is slidably disposed within a chamber having an inlet and an outlet spaced from one another. The piston is shaped similarly to the interior of the chamber and is capable of moving within the chamber in a manner that prevents any fluid in the chamber from flowing between the chamber and the piston. As a result, the pumping mechanism does not require the use of any separate compressible or elastic sealing members, thereby increasing the reliability and useful life of the pump. | 05-07-2009 |
20090269221 | ELECTRIC COMPRESSOR - An electric compressor having a built-in electric motor for driving the compressor and in which a connection section between an external terminal for power supply to the electric motor and the end of a wire from a stator of the electric motor is stored in a compressor housing. The electric compressor is characterized in that the connection section is constructed from a housing side coupler engaged with the compressor housing, a power supply-external terminal side coupler engaged with the housing side coupler, and a stator side coupler for holding the end of the wire from the stator, fitted to the power supply-external terminal side coupler, and engaged with the housing side coupler. In this electric compressor, vibration resistance of a terminal connection section for the motor is improved and breakage and momentary electrical interruption at the terminal connection section can be prevented, with productivity of the compressor maintained at a good level. | 10-29-2009 |
20100158715 | MUTE COMPRESSOR - A mute compressor includes a driving motor, a positioning base fixed at one side of the driving motor, a driven mechanism and a cylinder fixed above the positioning base. The driving motor has a driving gear and a cooling fan respectively fixed at its two sides. The positioning base is provided with a chamber for accommodating the driven mechanism having a driven gear engaged with the driving gear. Set on the driven gear is a shaft that is fixed with a cam having an eccentric shaft fixed on it. The cylinder includes a piston and a piston rod fixed at the bottom of the piston to connect with the eccentric shaft. With the driving gear and the driven mechanism confined in the chamber sealed with a lid, the noise created during operation of the mute compressor can be blocked by the positioning base to get minimized. | 06-24-2010 |
20100254831 | Displacement conversion mechanism and actuator - A rotational to linear displacement conversion mechanism comprises: an assembly including a plurality of driver discoidal elements and a plurality of driven discoidal elements mounted alternately on a common central axis to form an interleaved stack. Each discoidal element has a ramped surface, the ramped surfaces of adjacent elements being complementarily shaped and opposed so that, when in contact and completely interengaged, they form a stack of minimum length. A coupling means is provided for coupling the driver discoidal elements for rotation together about the axis by an externally applied force while permitting them to translate along the axis. The driven elements are mounted in such a way as to permit translation along the common axis while preventing rotation of the driven elements about the common axis. A rotational displacement of the driver elements by such an externally applied force causes the elements to separate by camming action of their interengaged ramp surfaces so as to produce an extension of the stack corresponding to the cumulative separations of the driver and driven elements. Finally, a resilient bias means is coupled to a driven element in such a way as to restore the assembly to its minimum length in the absence of the externally applied force. | 10-07-2010 |
20100290931 | HAND-ACTUATED PUMP - A hand-actuated pump includes a cylinder with a proximal end and a distal end. The distal end defines an opening. The hand-actuated pump also includes a piston with a proximal end. The proximal end of the piston is configured to be slidably inserted into the distal end of the cylinder. An exhaust port is positioned at the proximal end of the cylinder and includes a coupler that is configured to be removably attached to an inflatable object and to communicate air to the inflatable object. The coupler is also configured to be selectively locked in an extended position and a closed position. | 11-18-2010 |
20100316510 | RECIPROCATING PISTON MACHINE - A reciprocating piston machine is proposed, in particular for motor vehicles, comprising a drive shaft ( | 12-16-2010 |
20110097223 | OIL FILTER FOR DOWNHOLE MOTOR - An oil filter for use in an electric motor forming part of a downhole device such as an ESP, comprising a two-part filter including a first part formed from a porous material which acts to filter solid particulate material from the motor oil, and a second part comprising a sorbent for removing aqueous liquids from the motor oil. | 04-28-2011 |
20110110802 | Compressor assembly - A compressor assembly includes compressor means having an inlet, an outlet and a means for drawing air through the inlet and exhausting compressed air through the outlet, rotary drive input means, and gear means for changing the speed of the rotary drive input means and having an input connected to the rotary drive input means and an output driving the compressor means, the gear means comprising planetary gear means. | 05-12-2011 |
20110123368 | HYBRID PUMPING SYSTEM FOR A DOWNHOLE TOOL - A pumping system and method to be used within a downhole tool is disclosed herein. The pumping system includes a displacement unit having a cavity formed therein, in which the cavity is configured to receive a fluid therein. A hydraulic driving device and a mechanical driving device are then both included within the system such that both the hydraulic driving device and the mechanical driving device are configured to drive a piston of the displacement unit to receive the fluid within the cavity. | 05-26-2011 |
20110164998 | PITCH CHANGE APPARATUS - A pitch change apparatus comprises a hydraulic actuator for angular displacement of propellers of the propeller assembly. The hydraulic actuator has a piston and cylinder arrangement which defines fine and coarse fluid chambers. Increasing the volume of the fine chamber at the expense of the coarse chamber results in angular displacement of the propellers to a finer pitch. Increasing the volume of the coarse chamber at the expense of the fine chamber results in angular displacement of the propellers to a coarser pitch. The pitch change apparatus further comprises one or more fine hydraulic lines carrying hydraulic fluid to and from the fine chamber, and a coarse hydraulic line carrying hydraulic fluid to and from the coarse chamber. The apparatus further comprises a pressure-sensing check valve which fluidly isolates the coarse chamber from the coarse hydraulic line if the pressure in the coarse hydraulic line falls below a threshold pressure. | 07-07-2011 |
20110176939 | DECOUPLEABLE PULLEY FOR CONTROLLING A WATER PUMP - A pulley assembly comprising a locking assembly connected to an input shaft of a water pump, a pulley mounted in a idle condition with respect to the shaft, an armature which is axially mobile in order to selectively cooperate by friction with the pulley, an electromagnet to displace the armature arranged on the axially opposite side of the pulley with respect to the armature, and an elastic element preloaded to maintain the armature in contact against the pulley when the electromagnet is not energised and having a substantially flat shape in its non-preloaded or non-deformed configuration. | 07-21-2011 |
20110182756 | Multi-Phase Pump - A multi-phase pump for the pumping of mixtures, which contain a plurality of phases is proposed. The multi-phase pump ( | 07-28-2011 |
20110182757 | APPARATUS FOR A PUMP, AND A WATER PUMP - An apparatus is proposed for a pump, in particular a water pump of a motor vehicle having a rotating pump wheel which can be driven, and having a switchable clutch arrangement for switchable connection of the pump wheel to a drive side. According to the invention, the pump wheel is mounted such that it can rotate on a rotatable driveshaft. | 07-28-2011 |
20110243766 | COMPRESSOR WITH TRANSMISSION - A compressor includes a housing, a compression mechanism, an input shaft rotatable on an axis thereof, an output shaft for driving the compression mechanism, a transmission for transmitting torque from the input shaft to the output shaft and also changing the rotating speed of the input shaft and a control device for controlling the operation of the transmission. The transmission includes a plurality of planetary rollers, a carrier rotatably supporting the respective planetary rollers and being integrally rotatable with the input shaft, a sun roller engaged with the respective planetary rollers and integrally rotatable with the output shaft and a ring roller engaged with the respective planetary rollers. The ring roller can be fixed to the housing or rotatable relative to the housing. The control device includes a one-way clutch allowing the ring roller to rotate only one direction relative to the carrier and a clutch fixing the ring roller to the housing or allowing the ring roller to rotate relative to the housing. The input shaft, the carrier, the respective planetary rollers and the sun roller cooperate to form an assembly that can move as a unit relative to the housing in the direction that is parallel to the axis. | 10-06-2011 |
20120020817 | RECIPROCATING COMPRESSOR - Provided is a reciprocating compressor having a structure in which friction losses between a shaft and a bearing can be reduced without impairing the ability of the bearing to support the shaft. A reciprocating compressor ( | 01-26-2012 |
20120063930 | MANUAL/PNEUMATIC PUMP STRUCTURE - A manual/pneumatic pump structure includes: a barrel member having a barrel body defining a fuel collection space; a cover body disposed on the barrel body for sealing the fuel collection space; a pneumatic gas-sucking member having a main body disposed on the cover body and a Venturi tube section positioned in the main body, an inlet passage being formed in the main body in communication with an inlet of the Venturi tube section, an outlet passage being formed in the main body with a first end in communication with an outlet of the Venturi tube section, a second end of the outlet passage being permissible to communicate with the atmosphere; and an isolation section for isolating internal passage of the pneumatic gas-sucking member from the atmosphere. The isolation section has a movement space within which a stopper body is movable between a blocking position and an unblocking position. | 03-15-2012 |
20120148425 | DRIVE MECHANISM FOR A DRUG DELIVERY DEVICE - The present invention relates to a drive mechanism of a drug delivery device for dispensing of a dose of a medicament, comprising:
| 06-14-2012 |
20120156064 | ORBITAL OSCILLATION FAN - A precessing fan system includes a fan blade connected to a precessing drive train. The precessing drive train is connected to a first support at one end and pivotably connected to a second support at another end. The precessing drive train includes a single motor having a drive shaft driving both the fan blade and orbital gearing. The orbital gearing causes precession of the drive shaft and is connected to the first support. The orbital gearing includes a gear reduction that is coupled to the drive shaft, a pinion that is coupled to the gear reduction and a ring gear coupled to the pinion. The ring gear is connected to the first support. A planetary gearing system is used for the pinion and the ring gear. | 06-21-2012 |
20120195773 | SLEEVE BEARING - A sleeve bearing is provided. The sleeve bearing comprises a bearing retainer including an outer surface and an inner surface, wherein the inner surface forms a retaining bore, a bearing insert including an outside surface and an inside surface, wherein the inside surface forms a shaft bore, and wherein the bearing insert is coupled to the bearing retainer. | 08-02-2012 |
20130078119 | Bearing arrangement for air compressor - An air compressor includes a cylinder housing, a piston slidably received in the cylinder housing, a gear member rotatably attached to a supporting plate with a pivot shaft, an eccentric member attached to the gear member and having an eccentric pin coupled to the piston rod, a motor attached to the supporting plate and having a pinion engaged with the gear member, the supporting plate includes a space for engaging with a bearing member, and includes an engaging element, and the bearing member includes another engaging element for engaging with the engaging element of the supporting plate and for anchoring the bearing member to the supporting plate and for preventing the bearing member from being rotated relative to the supporting base. | 03-28-2013 |
20130084198 | PUMP WITH CENTRALIZED SPRING FORCES - A pump including a tappet biased into contact with a camshaft by a return spring is provided. The pump includes a torque transfer reduction interface mechanically interposed between the return spring and the tappet. The torque transfer reduction interface is configured to prevent spring wind-up generated by compressing and expanding the return spring from being transferred to the tappet to prevent the torque from causing the tappet to rotate relative to the camshaft about an axis extending perpendicular to the rotational axis of the camshaft. | 04-04-2013 |
20140286801 | Pumping device for pumping oil from a storage container to a transmission system of a motor vehicle - A pumping device for pumping oil in a transmission system of a hybrid drive for a motor vehicle has an oil pump and a direct drive for driving the rotor and an electric drive for driving a rotor part that surrounds the rotor. A stationary housing surrounds the rotor part and has an inlet connection and an outlet connection of the oil pump. The oil pump allows a selective drive via the direct drive or the electric drive in a simple manner. | 09-25-2014 |
20150093268 | FOOT OPERATED SNIVEL SUCTION DEVICE - A snivel suction device includes a base, two pumps, two pistons, two piston rods, a pedal and two casings. Two valve bodies are connected to the pumps and each valve body is connected to a suction pipe and a release pipe. The two suction pipes are connected to a suction manifold and the two release pipes are connected to a release manifold. A release valve is fixed to one of the casings and connected between the suction manifold and one of the suction pipes. The release valve has a knob, an adjustment member, a bolt, a valve, a spring, a block and a sound member. By operating the two ends of the pedal alternatively, the two pumps are operated to suck and release air. When sucking the snivel and the suction pipe contacting the nasal mucosa, the release valve releases the pressure to protect the user's nasal mucosa. | 04-02-2015 |
20150292346 | PROCESS GAS COMPRESSOR/GAS TURBINE SECTION - A process gas compressor/gas turbine section including a process gas compressor and a gas turbine which is coupled to the shaft of the process gas compressor in order to drive said compressor is provided. The process gas compressor is designed to compress combustible process gas and is equipped to seal the process gas compressor inner chamber from the atmosphere using a shaft seal which can be sealed with a seal gas and which has at least one leakage line. The leakage line can conduct leakage gas away from the shaft seal and is connected to the air inlet of the gas turbine such that the leakage gas together with the inlet air at the air inlet can be conducted into the gas turbine during the operation of the process gas compressor/gas turbine section. | 10-15-2015 |
20150300334 | ROTARY DRIVE LINEAR ROD DISPLACEMENT PUMP - A rotary drive linear rod displacement pump includes a pump housing supporting a plurality of radially spaced linear rod displacement pump segments. A rotor supporting a plurality of roller cam followers is rotatably coupled to the pump segments and is driven by a source of rotary power. As the rotor is driven, the cam followers articulate the pump segments. | 10-22-2015 |
20150300342 | AIR COMPRESSOR OF WEIGHT-REDUCTION TYPE - An air compressor of weight-reduction type is disclosed, wherein the bearing and the main housing thereof are formed integrally, so that when the piston body conducts reciprocating motion within the cylinder at high frequencies, the bearing is firmly fixed on the main housing without nonfunctioning or falling off. Furthermore, the main housing and the cylinder thereof are made of plastic and formed integrally. The main housing is formed with a wind collecting hood to facilitate the air flow being introduced through the main housing for rapidly dissipating the heat generated by the bearing and the heat generated from the reciprocating motion of the piston body. Accordingly, the manufacturing cost of the air compressor can be reduced to achieve an economical design, and the weight of the air compressor can be reduced to facilitate the compressor being carried onto a vehicle. | 10-22-2015 |
20150300343 | AIR COMPRESSOR - An air compressor includes an air storage unit defining a first chamber and a cylinder containing a piston body. The top wall of the cylinder is formed with a tubular projection defining a bore to serve as a second pressure chamber. When the piston head of the piston body is almost in contact with the top wall of the cylinder, part of the compressed air can enter the second pressure chamber, so that the piston body can conduct reciprocation motion more smoothly. Furthermore, the cylinder has an open bottom that is divided into two halves according to a central vertical line of the cylinder, wherein one half of the open bottom is horizontal while the other half of the open bottom is slanted. When the piston body is at BDC, the piston head will be entirely within the cylinder and thus keep gas-tight with the cylinder. | 10-22-2015 |
20150316042 | HAND PUMP HAVING ELECTRIC GENERATOR - A hand pump includes a piston slidably engaged in a housing and coupled to a piston rod, a handle attached to the piston rod for moving the piston along the housing in the reciprocating action in order to pump and generate a pressurized air and to supply the pressurized air out through the outlet port of the housing, the piston is selected from a magnetic member, and a coil is engaged onto the housing and disposed around the piston for generating an electrical energy when the piston is moved relative to the housing and the coil. The piston includes one or more recesses for receiving the pressurized air and for buffering purposes. A cover is attached to the housing and includes a space for buffering purposes. | 11-05-2015 |
20150322997 | CONNECTING ROD FOR AN AIR COMPRESSOR - A connecting rod for an air compressor includes a rod member, a wrist pin receiving end connected to a first end of the rod member, and a crank pin receiving end connected to a second opposing end of the rod member. A separation line for the connecting rod is provided above the crank pin receiving end. The separation line may be provided between the crank pin receiving end and the rod member. The connecting rod may include a first portion including the rod member and the wrist pin receiving end, and a separate second portion including the crank pin receiving end. The separation line may be provided between the first portion and the second portion. | 11-12-2015 |
20150328720 | Drive Train Device for a Motor Vehicle and Production Process for a Drive Train Device - A drive train device for a motor vehicle is disclosed. The drive train device has a first component, a second component which is connected to the first component so as to transmit torque and consists at least substantially of a material formed from lightweight metal, and at least one element which is at least partially enclosed in the second component and which consists at least substantially of a predominantly iron-containing material. The enclosed element is a connecting element which is connected to the first component by substance-to-substance bonding in order to produce the torque-transmitting connection. The first component and/or the second component at least partially form a housing. The enclosed element projects axially on both sides out of the material of the second component and at least one side of the enclosed element which projects axially has at least one balancing element and/or at least one balancing recess. | 11-19-2015 |
20150330377 | HAND PUMP HAVING ELECTRIC GENERATOR - A hand pump includes a piston slidably engaged in a housing and coupled to a piston rod, a handle attached to the piston rod for moving the piston along the housing in the reciprocating action in order to pump and generate a pressurized air and to supply the pressurized air out through the outlet port of the housing, and an electric generator is engaged in the housing for being actuated and operated by the pressurized air to generate an electrical energy. The electric generator includes a fan device for being actuated and operated by the pressurized air, and includes a rotor engaged in a coil for generating the electrical energy when the rotor is rotated relative to the coil. | 11-19-2015 |
20150330379 | AIR COMPRESSOR WITH IMPROVED ROTATING DEVICE - An air compressor includes a rotating device pivotally connected to a piston body. The rotating device includes a gear body and a counterweight. The gear body is formed together with a counterweight, wherein the counterweight is provided with a crankshaft corresponding to the center of the gear body and a crankpin placed at a distance from the crankshaft. The counterweight is horizontally divided into two integrally formed halves, including a left half and a right half, with a common line connected between the center of the crankshaft and the center of the crankpin, wherein the first half has a weight different from the second half, so that the piston body gathers more rotational momentum from the counterweight at BDC to facilitate upstrokes, so that the piston body can conduct reciprocating motion more smoothly, and thus the service life of the air compressor can be increased. | 11-19-2015 |
20150330381 | Compressor Bushing - In one embodiment, a connecting rod assembly is described. The connecting rod assembly may comprise a connecting rod, a bushing with an inner surface and an outer surface, and a pin connectively coupled to the piston and the connecting rod at the small end. The bushing may contact the pin on the inner surface and the connecting rod on the outer surface. The bushing may self-lubricate when the bushing moves rotationally with respect to the connecting rod. | 11-19-2015 |
20150345321 | EPICYCLIC GEAR TRAIN - A turbine engine has a fan shaft. At least one tapered bearing is mounted on the fan shaft. The fan shaft includes at least one passage extending in a direction having at least a radial component, and adjacent the at least one tapered bearing. A fan is mounted for rotation on the tapered bearing. An epicyclic gear train is coupled to drive the fan. The epicyclic gear train includes a carrier supporting intermediate gears that mesh with a sun gear. A ring gear surrounds and meshes with the intermediate gears. Each of the intermediate gears are supported on a respective journal bearing. The epicyclic gear train defines a gear reduction ratio of greater than or equal to about 2.3. A turbine section is coupled to drive the fan through the epicyclic gear train. The turbine section has a fan drive turbine that includes a pressure ratio that is greater than about 5. The fan includes a pressure ratio that is less than about 1.45, and the fan has a bypass ratio of greater than about ten (10). | 12-03-2015 |
20150345398 | FLEXIBLE SUPPORT STRUCTURE FOR A GEARED ARCHITECTURE GAS TURBINE ENGINE - A gas turbine engine includes a fan shaft and a support which supports the fan shaft. The support defines at least one of a support transverse and a support lateral stiffness. A gear system drives the fan shaft. A flexible support at least partially supports the gear system, and defines at least one of a flexible support transverse and a flexible support lateral stiffness with respect to at least one of the support transverse and the support lateral stiffness. An input to the gear system defines at least one of an input transverse and an input lateral stiffness with respect to at least one of the support transverse and the support lateral stiffness. A method of designing a gas turbine engine is also disclosed. | 12-03-2015 |
20150345447 | Plug-In Pump - A plug-in pump includes a cylinder and a pump housing, wherein the cylinder has a cavity in which a movable piston is accommodated, wherein a first end of the piston delimits a pump chamber, and a second end of the piston is connected to a drive device for the piston. An inlet valve is arranged in the cylinder, which inlet valve connects the pump chamber to a feed line for a first fluid, and an outlet valve connects the pump chamber to an outlet. The pump housing has a cavity that forms a first chamber connected to a feed line for the first fluid, and at least one second chamber which is separated from the first chamber and which is connected to a fluid system of a second fluid. The first chamber is fluidically sealed off with respect to the second chamber. | 12-03-2015 |
20150345485 | SEALED COMPRESSOR AND REFRIGERATION UNIT INCLUDING SEALED COMPRESSOR - A sealed compressor of the present invention comprises an electric component ( | 12-03-2015 |
20150354556 | LIQUID PUMP - Embodiments relate to architectures for pumps responsible for introducing liquid into cylinders reversibly configurable to perform gas compression or expansion. Particular embodiments maintain liquid flow rates in the face of the different pressure profiles (Δ-P) encountered during various portions of gas compression and gas expansion cycles. In some embodiments, the pump comprises multiple pumping elements per cylinder, at least one pumping element separable with a clutch and designed to spray/not spray during portions of compression/expansion cycles. Embodiments may employ phase difference(s) between the multiple pumping elements to introduce liquid in a desired manner. Mechanisms allowing adjustment in phase of multiple pumping elements, are also disclosed. The liquid may be introduced through sprayers arranged in rings in the cylinder, with rings (or partitions thereof) dedicated to spraying during different portions of compression and/or expansion. Embodiments may flow liquid to a gas compression/expansion cylinder via an intervening chamber of changeable volume. | 12-10-2015 |
20150361807 | STRUCTURAL GUIDE VANE FOR GAS TURBINE ENGINE - A guide vane for use in a gas turbine engine fan section has an airfoil extending between a radially inner platform and a radially outer platform. The radially inner platform has a radially outwardly facing surface from which the airfoil extends and a radially inwardly facing underside. The airfoil has a trailing edge extending to a leading edge. The underside is attached to a mount bracket and a main rib extending from the underside of the platform adjacent the trailing edge and in a direction generally towards the leading edge, and merging into a top surface on the mount bracket. A pair of shoulders is formed on each of two circumferential sides of the rib. Each of the shoulders is spaced from each other at a point on the shoulders connected into the top surface of the mount bracket. The shoulders extend circumferentially toward each other and the under surface. | 12-17-2015 |
20150361881 | GEARED TURBOFAN WITH THREE TURBINES ALL COUNTER-ROTATING - A gas turbine engine has a fan rotor, a first compressor rotor and a second compressor rotor. The second compressor rotor compresses air to a higher pressure than the first compressor rotor. A first turbine rotor drives the second compressor rotor and a second turbine rotor. The second turbine drives the compressor rotor. A fan drive turbine is positioned downstream of the second turbine rotor. The fan drive turbine drives the fan through a gear reduction. The first compressor rotor and second turbine rotor rotate as an intermediate speed spool. The second compressor rotor and first turbine rotor together as a high speed spool. The high speed spool and the fan drive turbine configured to rotate in the same first direction. The intermediate speed spool rotates in an opposed, second direction. | 12-17-2015 |
20150369232 | CRANK-DRIVEN ARRANGEMENT FOR A PISTON COMPRESSOR - A crank drive arrangement of a piston compressor with a rolling bearing arranged on a crank pin of a crank shaft and to which a connecting rod is attached via an intermediate ring which interacts with apparatus for securing against rotation in relation to the connecting rod, wherein the apparatus for securing against rotation have a pin arrangement fastened in a play-free manner in the connecting rod by a thread and which comes into engagement in an interlocking manner in the intermediate ring via a play-exhibiting fit. | 12-24-2015 |
20150377066 | LUBRICATION OF JOURNAL BEARING DURING CLOCKWISE AND COUNTER-CLOCKWISE ROTATION - The present disclosure is applicable to all gear trains using a journal bearing as a means of supporting gear shaft rotation. It is related in some embodiments to a system and method for supplying lubricant to the journal bearings of a gear-turbofan engine gear train when the fan rotor is subjected to a wind-milling condition in both directions, either clockwise or counter-clockwise. | 12-31-2015 |
20160017894 | COOLANT PUMP WITH HEAT SINKING TO COOLANT - A vehicle coolant pump with heat protection for the internal electronics and circuit boards for operation of the coolant pump. Gap fillers positioned adjacent said electronics and circuit boards transfer heat to the coolant fluid in the engine. | 01-21-2016 |
20160024992 | METHOD FOR WINDING COIL ON OBJECT AND WATER PUMP OF CLUTCH TYPE PROVIDED WITH THE SAME - A method for winding a coil on an object, wherein the coil includes a plurality of first coils and a plurality of second coils, may have winding the first coils on an exterior circumferences of the second coils, wherein an outer circumferences of the respective second coil is enclosed and in contact with outer circumference of at least three first coils, and wherein cross-sectional area of the second coil is smaller than that of the first coil, and wherein the outer circumference of the at least three first coils are in contact each other. | 01-28-2016 |
20160053758 | GROUND DRIVE APPARATUS FOR PROGRESSIVE CAVITY PUMPS - A ground drive apparatus for a progressive cavity pump in which a rotor of the pump is connected to a rod string and in which the rod string is connected to the polished rod. The ground drive apparatus has a motor with a hollow shaft, an upper sealing structure positioned above the motor and extending around the polished rod, and a well sealing structure positioned below the motor so as to the selectively in sealing and clamping relationship with the polished rod. The hollow shaft has an inner diameter greater than an outer diameter of the rotor and the rod string. The upper sealing structure includes a stationary sealing cap, a rotary sealing bushing extending around the stationary sealing cap, and a sealing ring interposed between the stationary sealing cap and the rotary sealing bushing. The well sealing structure has a housing with a piston slidably mounted in the housing. | 02-25-2016 |
20160090162 | TRACTOR-TYPE DRIVE FOR BOATS WITH TRIM PLANE - A drive for a boat includes a gear case and a propeller rotatably mounted to a front of the gear case. The drive also includes a drive support for mounting the gear case to the boat. The drive support allows at least a portion of the gear case to pivot about a trim axis to adjust the boat's trim. A trim plane is formed as part of, or added to, the gear case between a lower portion of the gear case, usually underwater in use, and an upper portion of the gear case. The trim plane has sufficient exposed lower surface area to apply a downward force on the water to assist trimming of the boat. | 03-31-2016 |
20160090972 | Dual function bicycle air hand pump - The dual function bicycle air hand pump has functions of bicycle air pump and exerciser. The piston of the dual function bicycle air hand pump has installed a piston which has an off-center threaded canal, which can be closed either by a one-way valve threaded tube and or by a bolt. By simply exchanging the one-way valve threaded tube with a bolt and vice versa, the dual function bicycle air hand pump can be used as a bicycle air pump or an exerciser. When one-way valve threaded tube is used to close the off-center threaded canal of the piston the dual function bicycle air hand pump can be used as an air pump to pump air into a bicycle tire. When a bolt is used to close the off-center threaded canal the dual function bicycle air hand pump can be used as an exerciser for the training of muscles. It is very easy to exchange the one-way valve threaded tube with a bolt and vice versa. There are also subsidiary bullet-shaped adjustable air nozzles which have smaller openings to increase the exercise load for better muscular training. | 03-31-2016 |
20160097379 | AIR COMPRESSOR - An improved air compressor includes a cylinder fitted with a piston body and an air storage container. The cylinder and the air storage container are detachably assembled to define an air chamber. A metal seat with a through hole is provided on top of the cylinder. A valve plug is spring-biased against the metal seat. The air storage container is provided with an elongated pressure indicator, which includes a transparent tube defining therein a first bore and a second bore, between which a tapered annular surface is formed. When the air pressure within the air storage container exceeds a predetermined pressure set for the air compressor, the elongated pressure indicator allows excess air to flow into the first bore of the transparent tube and pass through the tapered annular surface to be released to the ambient environment, so that objects can be prevented from damages due to excessive inflations. | 04-07-2016 |
20160108900 | Piston Pump - A piston pump for a traction-controlled hydraulic vehicle braking system includes a pump piston and an annular piston that is arranged as a second piston in a resiliently loaded manner on the pump piston. As the delivery pressure increases, a resilient element is compressed and a stroke of the second piston is shortened so as to reduce a delivery quantity. This configuration enables a higher delivery pressure to be achieved for a given driving force. With low delivery pressure, the pump piston and the second piston deliver together so as to achieve a rapid build-up of pressure. | 04-21-2016 |
20160115963 | TRANSMISSION AND GEARED COMPRESSOR SYSTEM - An integral transmission; comprising a driving gear connected to a driving shaft for co-joint rotation, a large gear engaging with the driving gear, a first driven gear engaging with the large gear, and at least one additional driven gear which engages with the driving gear; wherein an axis of rotation of the driving gear and an axis of rotation of the first driven gear engaging with the large gear are arranged in a plane of alignment, an axis of rotation of the large gear is offset in the vertical direction with respect to the plane of alignment, and an axis of rotation of the at least one additional driven gear engaging with the driving gear is located in the plane of alignment. A geared compressor system; comprising the integral transmission and a drive unit. | 04-28-2016 |
20160138579 | PUMP ASSEMBLY - A pump assembly comprising: a chamber; a compressible conduit provided along a periphery of the chamber; a sun member provided within the chamber; and a planet member arranged to orbit around the sun member, the planet member having: a first portion engaged with the sun member; and a second portion configured to be engaged with a section of the compressible conduit in order to cause the section to be constricted, wherein the first portion has a different texture to the second portion. | 05-19-2016 |
20160177933 | Compressor | 06-23-2016 |
20160251007 | PUMP FOR INTEGRATED BRAKE SYSTEM | 09-01-2016 |