| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 137637000 | Valves with separate, correlated, actuators | 33 |
| 20080251147 | VALVE ELEMENT OPENING/CLOSING DEVICE - A valve element opening/closing device may include a main body formed with a space, an inflow pipe and an outflow pipe which are connected to the main body, a valve element for opening and closing a flow passage, and a drive part for driving the valve element to open and close the flow passage. The valve element may be arranged on an inflow pipe side with respect an opening of the main body to which the inflow pipe is connected. The valve element is preferably arranged within the inflow pipe. | 10-16-2008 |
| 20080277001 | Valve - A valve for use in a closed transfer system for agricultural chemicals and the like comprising a housing ( | 11-13-2008 |
| 20090126812 | Valve Arrangement for Different Flow Rate Categories - A valve arrangement has several valve clusters which are designed for different nominal flow rates. Each valve cluster ( | 05-21-2009 |
| 20090242056 | HYDRAULIC CONTROL VALVE APPARATUS FOR AUTOMATIC TRANSMISSION - A hydraulic control valve apparatus including a valve body and a hydraulic control valve that is disposed in the valve body in parallel to an upper horizontal surface of the valve body. The hydraulic control valve includes a spool, a biasing member that biases the spool, and a damper chamber that accommodates the biasing member. The valve body includes a drain hole through which a pressurized oil is discharged from the hydraulic control valve, and a first communication passage that allows fluid communication between the drain hole of the valve body and the damper chamber of the hydraulic control valve. The drain hole and the first communication passage are formed on the upper horizontal surface of the valve body. | 10-01-2009 |
| 20090314365 | MEMS Integrated Circuit Comprising Microfluidic Diaphragm Valve - A MEMS integrated circuit comprising one or more microfluidic diaphragm valves and control circuitry for the valves. Each valve comprises: an inlet port; an outlet port; a weir positioned between the inlet and outlet ports, the weir having a sealing surface; a diaphragm membrane for sealing engagement with the sealing surface; and a thermal bend actuator for moving the diaphragm membrane between a closed position in which the membrane is sealingly engaged with the sealing surface and an open position in which the membrane is disengaged from the sealing surface. The control circuitry is configured to control actuation of the actuator so as to control opening and closing of the valve. | 12-24-2009 |
| 20100043899 | ARRANGEMENT FOR CONTROLLING FLOW OF FLUID TO A GAS TURBINE ENGINE COMPONENT - An arrangement for controlling flow of fluid to at least one component of a gas turbine engine, the arrangement comprising:
| 02-25-2010 |
| 20100147406 | Service Work Brake Arrangement - A vehicle air brake system is presented with an improved service work brake arrangement. The arrangement may provide a service work brake function or both a service work brake function and a parking brake function for the vehicle. The arrangement may provide an improved service work brake arrangement disposed within a housing for reducing the number of components and plumbing required to achieve this functionality versus prior known systems. The arrangement may utilize a pneumatic latching valve to deliver pressurized air for applying a vehicle's service brakes. The pneumatic latching valve opens upon receiving a pneumatic control signal from an electronically controlled valve and closes upon receiving a pneumatic control signal from another source. In addition, a controller and control logic may be provided for controlling the arrangement. | 06-17-2010 |
| 20110061755 | HYDRAULIC CIRCUIT SYSTEM FOR HYDRAULIC EXCAVATOR - A hydraulic circuit system for a hydraulic excavator, which has a hydraulic circuit for an attachment, includes: a directional control valve | 03-17-2011 |
| 20110079305 | Work Vehicle Having Hydraulic Appratus - Disclosed is a work vehicle having a hydraulic apparatus which can reliably prevent erroneous operation of the valve of the hydraulic apparatus even when the operating lever is moved inadvertently. With this hydraulic apparatus, with operations of a single operating lever in two directions, two valves are operated respectively. Two valve operating links for operating the two valves respectively are pivotally supported to a support shaft provided to a pair of frame plates and a lock pin is provided to the frame plates. The two valve operating links form pin holes. When the two valves are at the neutral positions, the lock pin is inserted into the pin holes with a locking operation of a lock operating tool, thus fixing the valve operating links and locking the valves. | 04-07-2011 |
| 20110146824 | CONTROL SYSTEM OF A SHIFT CYLINDER - A control system for a pneumatically or hydraulically actuated shift cylinder of a transmission or transmission-related auxiliary drive output, namely, for controlling at least one valve associated with the shift cylinder, such that each shift position of the shift cylinder can be produced. The control system includes: a) devices of a first type with which valve requirements corresponding to a plurality of functions demanded from the shift cylinder can be calculated at the same time, or in parallel, for the valve; b) devices of a second type which logically link the valve requirements calculated for the valve individually for each valve so that, from the valve requirements calculated in parallel for the respective valve, the devices of the second type determine an effective control measure for the valve concerned. | 06-23-2011 |
| 20110186161 | MIXING SYSTEM AND FAUCET SENSOR SYSTEM FOR A TOUCH FREE AUTOMATIC FAUCET - A water flow and temperature mixing system for touch free automatic faucets comprises motorized actuator mechanisms coupled to a water flow mechanism. The water flow mechanism comprises a housing, hot and cold water inlets, a solenoid valve, and a water outlet. The water is mixed in the water flow mechanism, and exits through the solenoid valve and the water outlet. A faucet sensor system for a touch free automatic faucet comprises a sensor housing, a plurality of sensor assemblies coupled to a sensor holding element and a securing nut to secure the plurality of sensor assemblies within the sensor housing, and a faucet stationary base. The plurality of sensor assemblies comprise a primary sensor assembly, a secondary sensor assembly, and a tertiary sensor assembly. The secondary sensor assembly and the tertiary sensor assembly can be interchangeably placed on either side of the sensor housing to control water flow and temperature. | 08-04-2011 |
| 20110192480 | Valving System and Method of Selectively Halting Injection of Chemicals - A valving system includes, a plurality of flow control valves, and a plurality of chemical control valves in operable communication with a plurality of the plurality of flow control valves such that each of the plurality of chemical control valves is actuated between closed and open positions when the flow control valve it is in operable communication with is actuated between closed or open positions | 08-11-2011 |
| 20110220231 | BOOM CYLINDER CONTROL CIRCUIT FOR CONSTRUCTION MACHINE - The present disclosure includes a boom cylinder control circuit for a construction machine that includes a boom cylinder having an ascending-side chamber and a descending-side chamber. The boom cylinder control circuit for a construction machine includes: a first floating chamber that has first and second input ports connected to the descending-side chamber and the ascending-side chamber of the boom cylinder, respectively, at one side, and a first output port and a second output port connected with the drain tank, at the other side, and is switched to selectively connect the first and second input ports to the first and second output ports in accordance with an operational signal of the floating selection operation part; and a second floating valve of which one side is connected to the first output port of the first floating valve and the other side is connected to the drain tank to selectively connect the first output port with the drain tank in accordance with the operational signal of the floating selection operation part. | 09-15-2011 |
| 20120037251 | Fluidic System - The invention relates to a fluidic system having a valve device for the fluid supply of fluidic loads, which has a plurality of valve modules ( | 02-16-2012 |
| 20120055572 | Backflow Prevention and Method of Manufacture - A backflow prevention assembly is disclosed including a backflow prevention valve having a valve housing including a valve inlet end and a valve outlet end; a spool spacer of predetermined length having a first end and a second end; an inlet shut-off valve; and an outlet shut-off valve, wherein the spool spacer extends between the backflow prevention valve and one of the inlet shut-off valve and the outlet shut-off valve. The entire assembly, including the backflow prevention valve, the spool spacer, the inlet shut-off valve, and the outlet shut-off valve, is a certified assembly, certified by a certifying authority prior to installation. Methods of manufacturing a backflow prevention assembly and replacing a backflow prevention assembly are also disclosed. | 03-08-2012 |
| 20120073688 | AUTO TRANSMISSION HYDRAULIC PRESSURE CONTROL APPARATUS - An auto transmission hydraulic control apparatus may include six friction elements that of which two friction elements operate to achieve a corresponding to each stage by hydraulic pressure, five direct-controlled solenoid valves that individually and directly control hydraulic pressure to four friction elements and equally and directly control hydraulic pressure to the other two friction elements, an on-off solenoid valve converting output state and non-output state of hydraulic pressure, a switch valve in which one side of a valve spool is supplied by a spring to selectively supply hydraulic pressure from one of the direct-controlled solenoid valves, equally and directly controlling the hydraulic pressure supplied to the two friction element, in accordance with whether hydraulic pressure from on-off solenoid valve is applied to the other side thereof, and four fail-safe valves disposed between the direct-controlled solenoid valves and the friction elements to structurally limit available arrangements of the friction elements. | 03-29-2012 |
| 20120085445 | Shutoff Valve Integrated into a Pressure Regulator - The invention presents a gas releasing and/or regulating mechanism, equipped with: a body ( | 04-12-2012 |
| 20120255639 | SOLENOID VALVE - First and second valve members are received in a valve receiving chamber, which is connected to an inlet passage and an outlet passage. First and second valve seats are annular and are formed at a connection of the valve receiving chamber to the outlet passage. The second valve member is lifted away from the second valve seat synchronously with lift movement of the first valve member upon energization of an electromagnetic drive arrangement when a force, which is determined based on an applied pressure force applied to the second valve member by a differential pressure between a pressure of the inlet passage and a pressure of the outlet passage and urging forces of the first and second urging members, is smaller than an electromagnetic attractive force. | 10-11-2012 |
| 20130228246 | Work Vehicle Having Hydraulic Apparatus - Disclosed is a work vehicle having a hydraulic apparatus which can reliably prevent erroneous operation of the valve of the hydraulic apparatus even when the operating lever is moved inadvertently. With this hydraulic apparatus, with operations of a single operating lever in two directions, two valves are operated respectively. Two valve operating links for operating the two valves respectively are pivotally supported to a support shaft provided to a pair of frame plates and a lock pin is provided to the frame plates. The two valve operating links form pin holes. When the two valves are at the neutral positions, the lock pin is inserted into the pin holes with a locking operation of a lock operating tool, thus fixing the valve operating links and locking the valves. | 09-05-2013 |
| 20130240072 | Control Device for Paint Spraying Systems and Application Systems - A control device for paint spraying systems and application systems which are used, in particular, for the quick-change application of paint in batch productions, with a piping system ( | 09-19-2013 |
| 20130255810 | COLOR CHANGER - A color changer includes a valve module with a first interaction area and a plurality of valves. The valves are connected on their respective inlet side to a respective supply duct and are connected on their respective outlet side to a common collecting duct. The valves are openable and closeable via respective switches by a first actuation end discharging into the first interaction area. The color changer includes a switching module with a second interaction area and one actuator, which discharges by a second actuation end into the second interaction area. The valve and switching modules are arranged with their respective interaction areas adjacent and are displaceable relative to one another. Due to a respective displacement movement, the second actuation end is simultaneously movable with respect to at most one of the first actuation ends into a respective actuation position so that the actuator opens or closes the corresponding valve. | 10-03-2013 |
| 20140026995 | VALVE DEVICE WITH A FLOW GUIDING DEVICE - A valve device having at least one inflow area and first and second outflow areas, which are connected with one another with regard to the flow through two poppet valves. Through the first poppet valve, a fluid inflow from the inflow area to the first and second outflow areas can be adjusted and a fluid outflow, through the second poppet valve between the first and the second outflow areas can be adjusted. The second poppet valve is designed as a cone poppet valve with a cone shaped closure body. Located upstream of the second poppet valve, between the first and the second outflow area, is a flow guide device which is designed to provide the fluid, which flows in the direction of the second poppet valve, with a swirl. The closure body of the second poppet valve has a cone angle of 60°+/−10°. | 01-30-2014 |
| 20140053933 | VALVE - Embodiments relate to valves comprising a member such as a plate or poppet, that is moveable relative to a stationary seat. The state of the member may be maintained against opposing forces with relatively little expenditure of energy. According to one embodiment, a poppet displaced from seating in the valve seat, may be held in position against opposing forces tending to close the valve, until a desired flow of gas through the valve has taken place. The poppet may then be released as desired, such that those opposing forces serve to passively close the valve. The valve may be secured in position utilizing mechanical, magnetic, electromagnetic, pneumatic, electrostatic, or hydraulic approaches. Valve embodiments may be particularly suited to controlling gas flows for compression and/or expansion in an energy storage system. | 02-27-2014 |
| 20140076440 | ELECTRO/HYDRAULIC INTERACTIVE DOUBLE FEEDBACK LOOP - An electro/hydraulic circuit enabling two mechanical devices to shadow each other's movements without any direct mechanically-operative linkage between the devices. The two devices incorporate matching sets of hydraulic actuators for inducing movements of movable components of the devices. For each actuator in a given one of the devices, a system of electronic sensors and hydraulic valves, in conjunction with a central processing and control system, keeps track of the physical positions and configurations of the actuator and the corresponding actuator in the other device, and what the status of the actuators should be in relation to each other. If an actuator associated with one device is moved by an external force, a corresponding actuator in the other device moves in response to that external force, with proportionate direction, speed, and force. | 03-20-2014 |
| 20140209196 | Device to Actuate a Quick Trip Valve - The invention concerns a device for operating a trip valve, comprising the following components or characteristics: a number of two-way slide valves, an equal number of springs for prestressing the valve pistons into a non-activated position, an equal number of cylindrical guides for guiding the valve pistons, a switching magnet is associated with every two-way slide valve, two ways and a bypass of a pipe system are connected to each valve, the pipe system exhibits an inlet and an outlet for a hydraulic fluid, which is under pressure when the trip valve is open, the valve pistons are identical to each other as regards their geometrical configuration, the cylindrical guides are respectively arranged in individual casings or in an overall casing, the ways of the hydraulic fluid are situated outside the individual casing or of the overall casing. | 07-31-2014 |
| 20150330342 | Valve - A valve includes a housing that surrounds a fluid outlet, a valve element with a longitudinal axis, a valve seat body that surrounds a fluid inlet and which has a sealing seat such that the valve is closed when the valve element bears against the sealing seat and which is coupled to the housing. The valve element is movable relative to the valve seat body in a direction of the longitudinal axis to enable a fluid flow from the fluid inlet to the fluid outlet, the valve seat body surrounds a guide surface to which the valve element is coupled in order to guide the movement of the valve element, and the valve seat body is formed from a harder material than the housing. | 11-19-2015 |
| 20160069473 | GAS VALVE WITH ELECTRONIC VALVE PROVING SYSTEM - Valve assemblies may be configured to perform a valve proving test as part of an operational cycle of a combustion appliance coupled to the valve assembly. The valve assembly may include a valve body having a fluid path, first and second valves situated in the fluid path, first and second valve actuators, and a pressure sensor in fluid communication with an intermediate volume of the fluid path between the first and second valves. A valve controller may monitor a measure related to a pressure in the intermediate volume. The valve controller may then output a signal if the measure related to the pressure in the intermediate volume meets and/or exceeds a threshold value, where the threshold value is determined based on a measure related to an initial pressure in the intermediate volume and a known test duration. | 03-10-2016 |
| 20160146122 | DUAL FUEL SELECTOR SWITCH - A fuel selector for use with a dual fuel generator includes a selector plate, a first fuel valve assembly positioned adjacent the selector plate and actuatable between an ON position and an OFF position to selectively control a first fuel flow to an engine of the dual fuel generator, and a second fuel valve assembly positioned adjacent the selector plate and actuatable between an ON position and an OFF position to selectively control a second fuel flow to the engine of the dual fuel generator. A selector switch coupled to the selector plate is linearly translatable from a first position to a second position, so as to enable positioning of only one of the first fuel valve assembly and the second fuel valve assembly in the ON position at a given time, such that the first and second fuel valve assemblies cannot be in the ON position concurrently. | 05-26-2016 |
| 137637050 | Correlated across separable flow path joint | 1 |
| 20100037968 | FLUID COUPLING, SYSTEM FOR VARYING THE DEADWEIGHT OF APPARATUS IN WHICH SUCH A COUPLING CAN BE INCORPORATED, AND A FLUID CONTROL VALVE INCORPORABLE IN SUCH A SYSTEM - A system for varying the deadweight of apparatus incorporates a fluid coupling ( | 02-18-2010 |
| 137637100 | Interlocked | 3 |
| 20120291901 | FLUID VALVE FITTING - A fluid valve fitting has an incoming conduit with an inlet, an outlet, and a coupling assembly for its outlet, and an outgoing conduit with an inlet, an outlet, and a coupling assembly for its inlet. The fitting also has a bypass conduit between the incoming and the outgoing conduits, an inflow valve in the incoming conduit, an outflow valve in the outgoing conduit, and a bypass valve in the bypass conduit. An actuator assembly is coupled to lock mechanisms of the coupling assemblies, the inflow valve, the outflow valve, and the bypass valve. Operation of the actuator assembly concurrently operates the lock mechanisms, the inflow valve, the outflow valve, and the bypass valve. | 11-22-2012 |
| 20140246106 | FLUID TRANSFER SYSTEM - A fluid transfer system includes a transfer device coupled to a dry break coupler. The transfer device includes a valve assembly moveable between an open and a closed position. The valve assembly includes a main valve and a pilot valve. An actuator controls both the main valve and the pilot valve. A cam plate interconnects the actuator and the valve assembly. The cam plate provides a quick acting shutoff to quickly move the valve assembly to the closed position. A pivotal and rotatable connector couples the transfer device to the dry break coupler. A lock is integrated with the actuator to lock the valve assembly in the closed position. | 09-04-2014 |
| 20160120106 | FLOW CONTROL ASSEMBLY FOR AN AGRICULTURAL METERING SYSTEM - A flow control assembly for an agricultural metering system includes a first gate control rod configured to couple to a first gate of a seed meter and a second gate control rod configured to couple to a second gate of the seed meter. The flow control assembly also includes a locking assembly configured to block translation of the first gate control rod at least while the second gate control rod is in a positioned that corresponds to an open position of the second gate and to block translation of the second gate control rod at least while the first gate control rod is in a position that corresponds to an open position of the first gate. | 05-05-2016 |
| 137637200 | Coaxial stems | 1 |
| 20090084453 | Control valve for a fluid treatment system - A control valve assembly for a fluid treatment system including a valve housing defining a plurality of compartments and a piston assembly associated with each of the compartments. Each of the piston assemblies is configured to be independently movable in each of the compartments. The control valve assembly also includes a gearbox that is associated with the housing and includes a plurality of cams driven by a motor, where each of the cams is configured to drive a corresponding one of the piston assemblies. | 04-02-2009 |
