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8056515 Method and device for the operation of a valve of the combustion chamber of a combustion engine, and a combustion engine  
A device for the operation of a valve (5) to the combustion chamber (6) of a combustion engine, wherein the combustion engine comprises a cylinder, a piston (3) displacably arranged in the...
8055413 Method for compensating hydraulic pressure of automatic transmission  
Faster shifting operation and reduced shift shock in response to a braking operation during a lift-foot-up shifting may be achieved when an automatic transmission is controlled by a method for...
8053690 Automotive brake light switch  
An automotive brake light switch mounted on a brake booster includes a housing defining a constant pressure chamber and a variable pressure chamber partitioned by a diaphragm, with a first...
8052401 Double-acting radial piston hydraulic apparatus  
A hydraulic apparatus comprises a housing having a central axis; a plurality of radially-oriented piston-cylinder assemblies each including a cylinder supported by the housing and a piston movable...
8051812 Variable valve actuator with a pneumatic booster  
Actuators, and corresponding methods and systems for controlling such actuators, provide independent valve control with a large initial or opening force. In an exemplary embodiment, an actuator...
8051763 Hydraulic apparatus  
In a hydraulic apparatus, a first rotating member and a second rotating member are provided so as to be relatively rotatable with a same central axis, a cam is provided on the first rotating...
8051764 Fluid control system having selective recruitable actuators  
A fluid control or actuation system providing selective recruiting of actuators antagonistic to one another to provide variable output power, such as that used to drive a load. The actuators are...
8047120 Hydraulic piston pump with a balance valve  
In a hydraulic piston pump, a cylinder port can communicate with a discharge port after a system pressure and a chamber pressure in a cylinder bore becomes in an equilibrium condition. A through...
8047121 Working machine, and quick load-dropping method  
A tank 16 and a main hydraulic pump 17 are connected to head side actuator chambers 13 and rod side actuator chambers 14 of hydraulic actuators 12 via conduits 21, 22. A direction control valve 18...
8050836 Method and system for determining initiation of a panic braking maneuver  
A method for determining whether a panic braking maneuver has been initiated in a vehicle with a brake pedal includes the steps of receiving brake pedal travel data, receiving brake pedal force...
8047962 Hydraulic control device for automatic transmission  
A hydraulic control device for an automatic transmission is provided. The hydraulic control device can sets up any gear from a plurality of gears by causing any one of a plurality of frictional...
8042451 Hydraulic control apparatus  
A hydraulic control apparatus 1 includes a switch valve 11, an adjustment valve 12, and a valve control device 13. The adjustment valve 12 has a fluid chamber 15, a valve body 14, and a back...
8037807 Controlled motion in a hydraulically actuated system  
A machine configured to prevent unintentional motion in a linkage pivotally connected to a frame may include a first hydraulic actuator connected to the linkage and a second hydraulic actuator...
8037678 Energy storage and generation systems and methods using coupled cylinder assemblies  
In various embodiments, pneumatic cylinder assemblies are coupled in series pneumatically, thereby reducing a range of force produced by or acting on the pneumatic cylinder assemblies during...
8037682 Method and device for suppressing vibration of boom of concrete pump truck  
The present invention discloses a method and device for suppressing vibration of boom of concrete pump truck, in which the boom cylinder is connected with the vibration suppression cylinder; the...
8033209 Lifting mechanism, and method for triggering a lifting mechanism  
A lifting mechanism has a continuously variable lifting mechanism valve, with a multi-position valve, by way of which a lifting cylinder can be made to communicate with a pump or a tank. In the...
8033210 Device for managing the displacement of a hydraulic motor or a group of hydraulic motors  
A motor having two series of distribution ducts each having two groups of ducts. The displacement selector is able to occupy a large displacement position in which the first groups of distribution...
8028717 High throughput double valve with reduced outlet pressure during a faulted state  
A double valve having inlet, outlet, and exhaust ports maintains an outlet pressure below one percent of inlet pressure during a faulted state while maintaining a relatively small exhaust for...
8028613 Valve system for drilling systems  
A valve system includes a load holding valve, a feed balancing valve, and a fast feed differential valve. The load holding valve may be in fluid communication with the load holding valve. The fast...
8029073 Motor vehicle rapid braking brake booster  
The invention relates to a brake booster with a short operating travel, in which the three-way valve comprises a mobile valve seat borne by a sleeve (54). The movement of this sleeve is controlled...
8025006 Means for providing up-relief to a hydraulic cylinder unit  
A hydraulic cylinder unit comprises a cylinder, a piston disposed within the cylinder, and piston rod connected to the piston. The piston rod is reciprocatingly received within the cylinder, and...
8024923 Air cylinder apparatus  
An electromagnetic valve, a circuit board on which a control circuit for controlling the electromagnetic valve is mounted, and a cover for covering the electromagnetic valve and the circuit board...
8025489 Portable, remote electromagnetic power system  
A portable electromagnetic power system used as a remote alternate power source includes a water tank having an oil reservoir mounted on top of the tank with four cylinders extending through the...
8020379 Double redundancy electro hydrostatic actuator system  
A double redundancy electro hydrostatic actuator system includes two hydraulic pumps; two fail safe valves connected with the two hydraulic pumps, respectively; one dual tandem hydraulic cylinder...
8020485 Lifting gear valve arrangement  
Disclosed is a lifting gear valve arrangement for controlling a double-action lifting gear or an add-on unit with a continuously adjustable directional control valve and with an individual...
8020486 Operating device  
The objective of the present invention is to provide a device that accurately communicates a subtle variation of an operation side to an action side. Specifically, in the present invention, an...
8006490 Hydraulic control device  
A hydraulic control device according to the invention is of load-sensing design and serves to actuate a first hydraulic load and a second hydraulic load. Also provided are a first control valve...
8006776 Sliding pressure control valve for pneumatic hammer drill  
A pneumatic device control apparatus and method comprising a ported valve slidably fitted over a feed tube of the pneumatic device, and using a compliant biasing device to constrain motion of the...
8010269 Brake apparatus  
Brake apparatus includes a transmission unit for operatively connecting a brake pedal to a master cylinder, and the transmission unit is a mechanism capable of varying a ratio between an output...
8006610 Axial piston machine in a swash-plate construction having an adjusting device  
An axial piston machine in a swash-plate construction with an actuating device. The actuating device comprises a actuating piston and a mating piston. The actuating piston and the mating piston...
8002108 Tensioning mechanism for a circulating element  
A tensioning apparatus for a circulating element, such as a belt or a band, has a basic body in which a first chamber is formed. A piston is positioned in the first chamber and carries a piston...
8001882 Double check valve having floating function  
A double check valve having a floating function is disclosed, which can prevent construction equipment from overturning through intercepting of a floating function even if a signal pressure is fed...
RE42633 Spool valve for fluid control  
A spool valve is provided with a stem portion that defines a fluid passageway formed by either (a) a single central support having a non-cylindrical curved surface shaped hydrodynamically, or (b)...
8001993 Dead band reduction in electronically controlled valves  
An apparatus includes dead band reduction circuitry. The dead band reduction circuitry includes an input configured to receive an input signal and an output configured to provide an output signal....
7997879 Axial piston machine of swash-plate construction with a bearing arrangement of the cylinder block on a supporting journal  
An axial piston machine of swash-plate construction includes a cylinder block (2) rotatable in a housing (1) and supported in the axial direction against a valve plate (6a) arranged on a housing...
7997184 Self starting vibrator  
Briefly, the invention comprises a vibrator with an on-demand start-up system, that inhibits fouling the atmosphere, with one embodiment of the invention including an integral non-fouling start-up...
7992490 Automatic by-pass control system for meat injection machine and method of using same  
A by-pass control system for a meat injection system has a variable speed pump that transports fluid to a meat injection machine. Excess fluid is transported to a by-pass control valve. The valve...
7993111 Power steering pump flow control  
An apparatus for preventing noise from occurring due to cavitation in a power steering pump during low temperature start-up includes the addition of a multi-passage orifice element for adding...
7992652 Fluid distributor cylinder for percussive drills  
A fluid distributor cylinder is for a percussive drill assembly that includes a casing having an inner circumferential surface defining a central bore, a central axis extending through the bore, a...
7987765 Hydraulic control system for high flow applications in motor vehicles  
A hydraulic control system for high flow applications in motor vehicles, in particular for active wheel suspensions and active steering arrangements, includes at least one passive high flow valve...
7987764 Flow control apparatus for heavy construction equipment  
A flow control apparatus for heavy construction equipment is provided, which can prevent overspeed and abrupt operations of an actuator due to an excessive flow rate during an initial operation of...
7987823 Hybrid piston/rotary engine  
A Hybrid Piston/Rotary engine has a stationary elliptical housing with a circumscribed inner cam surface to provide thrust, and sides with bearing supports for rotation of a rotor, at least one...
7988428 Axial piston machine  
A pressure pump in a primary liquid flow is combined with a pressure exchanger for energy recovery from a secondary liquid flow. A motor-driven rotor portion, including two (primary and secondary)...
7984670 Hydraulic distributor provided with a device for detecting seizing  
The present invention relates to a hydraulic distributor (2) of a servo-control (1) of an aircraft, the hydraulic distributor comprising main distributor member (10) and emergency distributor...
7984669 Auxiliary force steering device for a vehicle  
A power steering device for a vehicle which is disposed in the transmission path between a steering handle and a steerable vehicle wheel, comprises a servo cylinder having two pressure chambers,...
7980270 Spool valve apparatus and method  
Some embodiments of the present invention provide a spool valve having a spool axially movable within a sleeve of two or more stacked rings having projections extending therebetween. One or more...
7975598 Hydraulic valve arrangement  
The invention concerns a hydraulic valve arrangement (1) with a supply connection arrangement comprising a high-pressure connection (P) and a low-pressure connection (T), a working connection...
7975599 Regulating device for a hydrostatic piston engine with electronic control unit  
A regulating device for a hydrostatic piston engine is provided. The regulating device (30) has an electronic control unit (17) for generating adjusting signals. An adjusting position of the...
7975597 Hydraulic machine, in particular hydraulic motor, with a reciprocating movement  
Hydraulic machine includes: a casing; a piston slidable therein and separating two chambers; hydraulic switching elements for supplying liquid to and for evacuating the chambers, including at...
7971520 Fluid power arrangement  
A fluid power arrangement includes a valve means and a fluid power implement, which is connected or is able to be connected with the valve means by way of a first fluid line a and at least one...