Class / Patent application number | Description | Number of patent applications / Date published |
074413000 | Parallel axes or shafts | 47 |
20080210035 | Transmission - The invention concerns a transmission ( | 09-04-2008 |
20090044647 | Vehicle - An improved vehicle ( | 02-19-2009 |
20090301244 | GEARBOX APPARATUS AND METHOD OF MANUFACTURE - An apparatus and method for solving the problem of pitting and other life-shortening events which decreases the utility of a gearbox. The solution which the invention achieves envisions pre-stressing of various components so that faces of the gears of the gear set will remain substantially parallel during operation. | 12-10-2009 |
20100031762 | ARRANGEMENT OF A GEAR ON AN OUTPUT SHAFT OF A TRANSMISSION - A configuration of a gear wheel ( | 02-11-2010 |
20100180705 | ROTATION MECHANISM - Each of reclining devices is formed so as to have a different size. An external gear wheel of each of the reclining devices has a diameter smaller than an internal gear wheel thereof and has a teeth number different from the internal gear wheel. The internal gear wheels and the external gear wheels of the connection devices respectively have the same teeth number as each other. The internal gear wheels and the external gear wheels of the connection devices are formed such that distances between centers thereof are equal to each other. Further, a meshing line of the internal gear wheel and the external gear wheel of each of the connection devices is formed between two curves defining a meshing range and is drawn as a line that extends from a side of a radially inwardly positioned curve in a circumferential direction in which the two curves are gradually spaced from each other and reaches to a side of a radially outwardly positioned curve. | 07-22-2010 |
20110030491 | PARALLEL GEAR UNIT FOR A GEARBOX FOR A WIND TURBINE - A parallel gear unit ( | 02-10-2011 |
20110072926 | Externally rotating mechanism through offset outer rotating electrical machine drive - The present invention relies on the offsetting of one or more outer rotating electrical machines in the interior of the externally rotating mechanism; and the coaxial installation of running wheels with the rotating housing of the outer rotating electrical machine which include gears and friction wheels to couple with the ring type inner running wheel installed inside the externally rotating mechanism wheel hub in order to constitute a variable speed drive function. | 03-31-2011 |
20110154925 | METHOD FOR MANUFACTURING AN ADJUSTMENT FITTING - A method for producing an adjustment fitting, particularly for a vehicle seat is provided, whereby an outer wheel is associated with a first fitting part, the wheel having inner toothing, and having an inner wheel that can be associated with a second fitting part, the wheel having outer toothing, wherein the inner wheel having the outer toothing is inserted into the outer wheel having the inner toothing eccentrically to a rotational axis in the manner of a wobble mechanism, wherein partial eccentric elements are inserted rotatably with respect to each other in an eccentric receiving chamber formed between the rotational axis and the inner wheel so as to produce variable eccentricity, wherein a transmission element having an engagement element for actuating the partial eccentric element is inserted such that the engagement elements interacts with a catch of the partial eccentric element. In spite of the production tolerances of the components, overall higher quality and higher operational safety of the produced adjustment fitting are to be achieved. For this purpose, the geometry of the partial eccentric element is measured, and the geometry of the transmission element is individually adapted according to the data of the measurement before inserting the transmission element. | 06-30-2011 |
20110209573 | HYPOID GEARS WITH LOW SHAFT ANGLES - Disclosed is a gear pair set comprising low shaft angle and offset bevel gears and a method for their manufacture including determination of the appropriate gear and pinion blanks and the basic machine settings for their manufacture. The pair of bevel gears comprises a first member and a second member wherein the members of the pair have a shaft angle in the range of greater than 0° to 30°, preferably greater than 0° to 20°, and have an offset in the range of greater than zero to the sum of half the mean pitch diameters of the two members of the bevel gear pair. | 09-01-2011 |
20110232403 | COMPLEX REDUCTION MECHANISM OF LINEAR ACTUATOR - A complex reduction mechanism of linear actuator includes a primary reducing unit and a secondary reducing unit arranged in an axial direction of the primary output shaft. The primary reducing unit includes a primary input shaft, a primary output shaft and a primary reducing set. The primary input shaft is rotationally drivingly coupled with a power output shaft of the power source for transmitting rotational power to the primary reducing set. The primary reducing set reduces the rotational speed and transmits the rotational power to the primary output shaft, which transmits the rotational power outward at lower rotational speed. The secondary reducing unit includes a secondary reducing set and a secondary output section. The secondary reducing set serves to reduce the rotational speed output from the primary output shaft and transmit the rotational power to the secondary output section for driving the actuation shaft to linearly axially reciprocally move. | 09-29-2011 |
20110290052 | ROTARY UNITS, ROTARY MECHANISMS, AND RELATED APPLICATIONS - The invention relates to rotary units and rotary mechanisms that are suitable for use in numerous applications. Rotary units typically include rotational components that are configured to rotate. In some embodiments, for example, multiple rotary units are assembled in rotary mechanisms such that neighboring pairs of rotational components counter-rotate or contra-rotate relative to one another during operation of the rotary mechanisms. Rotational components generally include one or more implements that are structured to perform or effect one or more types of work as the rotational components rotate relative to one another in a given rotary mechanism. In certain embodiments, implements are configured to rotate and/or to effect the movement of other components as rotational components rotate. | 12-01-2011 |
20120060633 | DRIVE TRANSMITTER AND IMAGE FORMING APPARATUS - A drive transmitter, including a first rotational axis transmitting a drive force of a drive source to a first rotator, a second rotational axis transmitting a drive force of the drive source to a second rotator, and an idler gear configured to transmit a drive force to the second rotational axis; wherein the first rotational axis penetrates the idler gear with a gap therebetween. | 03-15-2012 |
20120318087 | POWER TRANSMISSION SYSTEM OF CRANK STRUCTURE - A crank arm of a internal combustion engine is replaced by an elliptical gear | 12-20-2012 |
20130276566 | ARRANGEMENT FOR SUPPORTING AN INPUT GEAR OF TRANSMISSION - An arrangement for supporting an input gear of a transmission in a motor vehicle, in particular a ring gear, characterized in that a pot-shaped support element ( | 10-24-2013 |
20140076081 | TRANSMISSION TURBO MACHINE - A transmission turbo machine integrates drive units and/or driven units into a machine train via a transmission. The integrated transmission substantially comprises a central large wheel with a shaft and a plurality of pinions with pinion shafts. The large wheel is operatively connected to the pinions, and the ends of the pinion shafts are operatively connected to a drive unit and/or driven unit. The shaft of the large wheel is operatively connected to a drive unit and/or driven unit. The invention is characterized in that the drive unit and/or driven unit is an axial expander which is mounted in a cantilevering manner in one or more stages. | 03-20-2014 |
20140150586 | INTERNALLY-TOOTHED GEAR UNIT WITH COMPOSITE ROLLER BEARING, AND WAVE GEAR DEVICE - A wave gear device ( | 06-05-2014 |
20140251048 | WAVE GEAR DEVICE HAVING TAPERED FLEXIBLE EXTERNAL GEAR - With a wave gear device, the gears employ homothetic curve tooth profiles AD, BE. Furthermore, a transposition is applied to the external teeth along the tooth trace such that the movement loci M | 09-11-2014 |
20140260744 | AUTOMATED ROTATING BILL BOARD - This utility model relates in general to Advertising medium but more particularly to an Automated Rotating Billboards structures. The billboard structure comprising a billboard frame having lighting facility consisting of plurality of lighting fixtures secured thereto and being provided with a covering for securing advertisement thereon, the frame being supported by an upstanding post fixedly attached on its bottom portion thereof. The upstanding post comprising of a lower stationary post member and upper rotating post member. The upper post member is being adapted to rotate using an electric motor wherein the billboard is connected. With rotating billboard, it can be seen from all angles thus more efficient and convenient to use. | 09-18-2014 |
20140352469 | RAILWAY VEHICLE GEAR UNIT - A railway vehicle gear unit that is constituted by accommodating, in a gearbox, a large gear that is fixed to an axle provided on a truck frame and that engages with a small gear to transmit a torque, and the small gear, wherein on the inner surface of the gearbox in the circumferential direction of the large gear, a water removing device that removes water included in lubricant oil within the gearbox is installed, and the water removing device is arranged in an empty space formed above an extended line of a line connecting the axle and a small-gear shaft or is arranged in an empty space formed below the extended line of the line connecting the axle and the small-gear shaft. | 12-04-2014 |
20150349606 | ELECTRIC DEVICE, GEARBOX AND ASSOCIATED METHOD - An electric device is provided. The device includes an electric machine having a rotatable first shaft extending from an end of the machine. The device also includes a gearbox operably connected to the electric machine. The gearbox includes a first gear rotatably supported in the gearbox and a first gear connectable to the first shaft. The first gear is adapted to mesh with the second gear. The electric machine and the gearbox are adapted to drive a pump. | 12-03-2015 |
20160052600 | CYCLE WITH SINGLE WHEEL - The present invention relates to a cycle with a single wheel, and a cycle with a single wheel according to the present invention includes: a wheel with a central hub; a roller contacting the inside surface of the hub with a plurality of roller shafts connected to both ends of the hub, the roller shafts being separated from each other with a given interval; a hub cover with the outside connected to the end part of a cycle body; a gear shaft provided with a first multi-stage gear and connected to the hub cover so as to be positioned between the plurality of roller shafts; and a pedal shaft inserted through a hole formed in a given position of the hub cover so as to penetrate the hub, wherein the pedal shaft is mounted with a gear engaging with one end of the first multi-stage gear, and a second multi-stage gear is inserted with one end thereof spaced from the gear to engage with the other end of the first multi-stage gear and the other end thereof engaging with a gear part formed in the inner peripheral surface of the hub, so that a drive force generated by the pedal is transferred through the gear mounted on the pedal shaft to the first multi-stage gear, and the drive force transferred to the first multi-stage gear is transferred through the second multi-stage gear to the gear part, thus rotating the wheel. | 02-25-2016 |
20160146352 | METHODS AND SYSTEMS FOR SEALING ROTATING EQUIPMENT SUCH AS EXPANDERS OR COMPRESSORS - A method and system is provided for pressure balancing one or more seals in machines such as expanders and/or compressors using the process fluid which is being expanded or compressed to provide the pressure for pressure balancing the other side of the one or more seals. The one or more seals may be part of a pressure containing chamber which may comprise a seal, a bearing and/or a gear on a rotating shaft common to the seal. An amount of pressure to be supplied to housing(s) for a machine so as to create a pressure cascade, and thereby dropping the pressure in each subsequent chamber as pressure approaches atmosphere. Pressure differentials may be directed to leak process fluid to the chamber into the process. Pressurized lube oil systems may be employed for balancing pressure and delivering lubricant to the seals, bearings and gears. | 05-26-2016 |
20160152326 | METHOD FOR FIXING AN ACTUATOR FOR ROTATABLY DRIVING A WHEEL OF AN AIRCRAFT | 06-02-2016 |
20160186855 | LUBRICATING STRUCTURE FOR VEHICLE DRIVE SYSTEM - A partition wall that partitions an inside of a case into a gear chamber in which a reduction gear pair is accommodated and a motor chamber in which an electric motor is accommodated, a bearing provided at a bearing support portion of the partition wall so as to overlap with a side portion of a large-diameter gear of the reduction gear pair in a direction of an axis and supporting a counter shaft, an oil passage provided in the gear chamber and guiding lubricating oil, scooped up by the large-diameter gear to a catch tank, and a communication hole provided in the partition wall and providing communication between the oil passage and the motor chamber, are provided. Lubricating oil introduced into the motor chamber via the communication hole is supplied to the bearing. | 06-30-2016 |
074414000 | External type | 23 |
20090078074 | Resin Double Helical Gear and Gear Train Using Same - There are provided a resin double helical gear capable of reducing operation noises and vibrations of an image forming system, such as an ink jet printer, which is arranged in the vicinity of an operator, and a gear train using the same and having a smaller number of parts. The gear train | 03-26-2009 |
20090173176 | MECHANICAL ADJUSTING DEVICE FOR ADJUSTING AN ADJUSTING ELEMENT - The invention relates to a mechanical adjusting device for an adjusting element, for example an air flap ( | 07-09-2009 |
20100095792 | Toothed Wheel Gearing (Variants) and a Planetary Toothed Mechanism Based Thereon (Variants) - The engagement of gearwheels with curvilinear teeth is intended to create small-sized mechanical gears of rotational motion with big gear ratio in one stage. The smaller gearwheel—pinion ( | 04-22-2010 |
20110277575 | Model Helicopter With Improved Reduction Gear Mechanism - A model helicopter includes a drive mechanism comprising a battery powered motor comprising a toothed motor shaft; a main rotor comprising a main shaft aligned with the motor shaft and including a main gear; and a reduction gear assembly comprising a lower section including four first gears arranged around the motor shaft, and four second gears smaller than the first gears, each second gear fixed to top of the first gear; an upper section including four third gears and four fourth gears each being smaller than the third gear and fixed to top of the third gear, the fourth gears being meshed with the main gear; and four shafts each axially passing through the fourth gear, the third gear, the second gear, and the first gear so that a revolution of the motor shaft rotates the main shaft via the first gears, the fourth gears, and the main gear. | 11-17-2011 |
20110290053 | POWER TRANSMISSION DEVICE - A sun gear member, planetary gear members, a first ring gear member, and a second ring gear member together form a paradox gear mechanism. A clutch mechanism is disposed between an input gear member and the first ring gear member. The clutch mechanism rotates the first ring gear member, when the input gear member rotates. The clutch mechanism disconnects transmission of the power to the input gear member when the first ring gear member rotates. The sun gear member and the first ring gear member are individual input elements. When one of the sun gear member and the first ring gear member exclusively rotates, the second ring gear member rotates in accordance with the rotation. The sun gear transmits power more reliably without increasing manufacturing cost and without thwarting downsizing of the product. | 12-01-2011 |
20110303035 | FINAL DRIVE FOR A WORK MACHINE - A final drive for a work machine includes a housing, a pinion gear, a first idler gear, a second idler gear, and a bull gear. The pinion gear is restrained within the housing. The first idler gear and the second idler gears are rotatably connected to the housing and positioned for engagement with the pinion gear. The bull gear is rotatably connected to the housing and positioned for engagement with the first idler gear and the second idler gear. The housing, the pinion gear, the first idler gear, and the second idler gear are configured to permit the pinion gear to float between the first idler gear, and the second idler to provide even sharing of the load from the pinion gear to the first idler gear and the second idler gear. | 12-15-2011 |
20120067149 | SLIP CONTROL DEVICE - A slip control device including a shaft fixed to a reference surface; a first gear rotatably coupled to the shaft by a predetermined friction force with respect to an external circumferential surface of the shaft, for slipping with respect to the shaft when applied a rotation force greater than the predetermined friction force; a friction unit configured to provide the predetermined friction force between the first gear and the shaft; a rotation gear box for covering at least one surface of the first gear, coupled to a second gear to be rotated around the external circumferential surface of the shaft, and for rotating about the shaft during rotation of the second gear; and a motor disposed in the rotation gear box and providing the second gear with a rotation force to rotate the rotation gear box about the first gear. | 03-22-2012 |
20120180587 | MULTI STAGE SYSTEM FOR MODULAR TRANSMISSIONS - A transmission capable of receiving rotational power from the source on the surface of the earth and transmitting it to a tool down hole, comprising two or more modules, each of which is constructed of gear pairs held in a supporting structure and operatively engaged with an even number of gear pairs to provide the necessary power to the tool which the transmission drives. | 07-19-2012 |
20120198954 | Power Tong Unit - A power tong unit having a gear train in which one or more of the gears in the gear train have removable and replacement roller tooth elements, in lieu of conventional gear teeth. In one embodiment, the ring gear and pinion gears have roller tooth elements, and idler gears disposed between the ring gear and pinion gears, have a semi-circular tooth root profile to mesh with the roller element gear teeth. The ring gear of the power tong unit may also have a removable section. A means for removing the removable section from the ring gear, and moving it to a position in which a tubular can be inserted into a central opening in the ring gear, may include a hydraulic cylinder, a clamping mechanism, and a cam surface to generate rotation of the removable section once lifted out of engagement with the ring gear. | 08-09-2012 |
20120210812 | CALENDAR MECHANISM - Gear wheel for a clock mechanism, including a toothed gear provided with a homogeneous integral peripheral tooth system with at most 16 teeth in a first meshing level; a first meshing sector that is rotationally fixed with the toothed gear and meshes in a second meshing level, wherein the first meshing level is superposed on a first tooth of the toothed gear; a second meshing sector that is rotationally fixed with the toothed gear and meshes in a third meshing level, wherein the second meshing level is superposed on a second tooth of the toothed gear; a third meshing sector that is rotationally fixed with the toothed gear and meshes in a fourth meshing level, wherein the third meshing level is superposed on a third tooth of the toothed gear. | 08-23-2012 |
20120272764 | MODULAR PUMP DESIGN - Modular pumps comprising universal gearboxes and crank units and associated methods. | 11-01-2012 |
20130068057 | IDLER GEAR ASSEMBLY FOR A GENERATOR - An idler gear assembly for a generator includes a first gear configured for coupling to a second gear. The first gear includes a first shaft aligned along a first shaft axis, the first shaft having a first shoulder with a first axial face and a second shoulder with a second axial face diametrically opposed from the first axial face, diametrically opposed first and second grooves about a circumference of the first shoulder and a first set of teeth circumferentially located about the first shaft axis, the first shaft includes a first axial distance from the first axial face to the second axial face. The second gear includes a second shaft aligned along a second shaft axis, the second shaft having a diametrically opposed first and second tangs, and a second set of teeth circumferentially located about the second shaft axis, the second shaft includes a second axial distance. | 03-21-2013 |
20130186223 | STATIONARY GEAR UNIT - A method of stepping up the speed of a rotary motion from a first speed, supplied to an input shaft ( | 07-25-2013 |
20150068337 | INTERNAL COMBUSTION ENGINE - The engine comprises a cylinder with a piston arranged therein, said piston being connected to a connecting rod, and a crankshaft. A first elliptical gearwheel is rigidly fixed to the shaft with the possibility of interacting with a second elliptical gearwheel, which is rigidly fixed to an additional shaft. The distance from the pitch points of the wheel with the wheel to the axis of rotation of the wheel in the case of positions of the crankshaft corresponding to the location of the piston in the upper and lower dead points is 1.1-5 times the distance from the pitch points and to the axis of rotation of the wheel. The distance from the pitch points of the wheel with the wheel to the axis of rotation of the wheel in the case of positions of the crankshaft corresponding to the location of the piston in the centre of its excursion is 0.2-0.9 times the distance from the pitch points to the axis of rotation of the second wheel. The technical result consists in reducing the angular velocity of the crankshaft during movement of the piston in the region of the upper and lower dead points. | 03-12-2015 |
20150068338 | MOBILE VEHICLE GEAR UNIT - A method of stepping down the speed of a rotary motion from a first speed, supplied to an input shaft, to a second speed delivered by an output shaft, comprises transmitting said rotary motion to said output shaft, via a driven gear of said output shaft, the driven gear being helical and having a first helix angle, from a layshaft arrangement, so as to generate a first axial thrust of the output shaft in a first axial direction; transmitting said rotary motion to said layshaft arrangement, via a drive gear of said input shaft, said drive gear being helical and having a second helix angle that is larger than said first helix angle, from said input shaft, so as to generate a second axial thrust of the input shaft in a second direction, said second direction being substantially opposite to said first direction; and applying said first axial thrust and said second axial thrust to the same location of an axially rigid support structure, such that said first and second axial thrusts counter-act and at least partly cancel out in said support structure. | 03-12-2015 |
20150344804 | DRIVE DEVICE, IMAGE FORMING APPARATUS, AND GREASE COMPOSITION - A drive device includes a slide bearing; a shaft that passes through the slide bearing; a gear that is fixed to the shaft; and a grease composition that is held in a clearance between the slide bearing and the shaft. At least one of the slide bearing and the shaft is made of a resin. The clearance is in a range of 10 to 110 μm. The grease composition contains a hydrocarbon base oil and lithium soap serving as a thickener. A weight ratio of the hydrocarbon base oil to the lithium soap is in a range of 94.5:5.5 to 96.0:4.0. A consistency of the grease composition is in a range of 360 to 400. | 12-03-2015 |
20160010374 | PIVOT MECHANISM OF SYNCHRONOUS HINGE DEVICE | 01-14-2016 |
20160138677 | GEAR WITH OPTIMIZED GEAR WEB SHAPE - A gear comprises gear teeth. An annular web has the gear teeth on an external surface thereof and rotatable about a rotational axis of the gear. The web comprises a wall having at least a first axial surface and a second axial surface on the opposite side of the wall. The web defined by a first web section in which the first axial surface, in an inward direction, inclines away from a radial plane to which the rotational axis is normal, a second web section radially inward of the first web section, and in which the first axial surface, in the inward direction, inclines toward said radial plane. | 05-19-2016 |
20160160961 | SHAFT SLEEVE PROVIDING SEAL-ENGAGING SURFACE - Electric motors are disclosed. The motors are preferably for use in an automated vehicle, although any one or more of a variety of motor uses are suitable. The motors include lift, turntable, and locomotion motors. | 06-09-2016 |
20160169326 | DRIVE DEVICE | 06-16-2016 |
20160178046 | RAILWAY VEHICLE GEAR DEVICE OF PARALLEL CARDAN DRIVE SYSTEM | 06-23-2016 |
20170234417 | GEAR PAIR | 08-17-2017 |
074415000 | Pin teeth | 1 |
20120085189 | INFINITELY VARIABLE TRANSMISSION MECHANISM - An infinitely variable transmission mechanism that transmits produced torque to a wheel or output shaft without gears and is capable of an expansive range of active gear ratios in a relatively small envelope | 04-12-2012 |