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Motors: Expansible Chamber Type > With Motive Fluid Valve With Motive Fluid ValveWith Motive Fluid Valve patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.10/25/07 - 20070245889 - Hydraulic control arrangement The invention relates to a hydraulic control arrangement and a pilot-operated pressure relief valve therefor. Said hydraulic control arrangement comprises a differential cylinder provided with a pressure chamber on the piston rod side thereof and another pressure chamber at the bottom thereof which can be connected to a pump or ... 06/14/07 - 20070131105 - Supply line A supply line for connecting a hydraulic advancing support to a hydraulic supply system led along a conveyor is disclosed. The supply line includes a feed connection connectable to the supply system and an advancing support connection located a predetermined distance from the feed connection. A piston arrangement is located ... 03/01/07 - 20070044649 - Metering valve with integral relief and makeup function A metering valve for a work machine hydraulic system is disclosed. The metering valve has an inlet and an outlet, a main poppet, and a solenoid-operated pilot element. The main poppet is movable to pass fluid from the inlet to the outlet, and to block fluid from the inlet to ... 12/28/06 - 20060288861 - Secondary pump of brake There is disclosed an adjustor for a secondary pump of a brake. The adjustor includes a stationary plate attached to the secondary pump, a cylinder attached to the stationary plate, a piston movable in the cylinder, a rod extended through the cylinder and connected to the piston, a handle connected ... 12/28/06 - 20060288860 - Pneumatic tool There is disclosed a pneumatic tool including a shell defining a first space, a second space communicated with the first space, a third space communicated with the second space, a fourth space communicated with the second space, a channel communicated with the second space, an inlet communicated with the channel, ... 11/09/06 - 20060249015 - Device for controlling a hydraulically driven motor The present invention relates to an arrangement for controlling a hydraulically driven motor (2), forming part of a hydraulic system in which hydraulic fluid under pressure forms a main flow through a main duct (1) in which the motor is connected. The motor is adapted to drive a load with ... 09/28/06 - 20060213363 - Valve for hydraulic props of shield-type support frames, and shield-type support frame The invention relates to a valve 120, especially a check valve, for hydraulic plungers (3) of shield-type support frames in underground mining with a valve housing 121 and a switchable valve insert received therein, connections 126-129 for high pressure lines connected to the cylinder chamber and/or the annular space of ... 07/27/06 - 20060162543 - Hydraulic working machine A hydraulic circuit for a hydraulic working machine is composed of a main pump 21, a boom cylinder 11 arranged for extension or contraction by pressure oil from the main pump 21, a directional control valve 22 for controlling flows of pressure oil to be fed from the main pump ... 07/06/06 - 20060144218 - Pressure control valve having intrinsic feedback system The present invention describes, generally, a method and system for controlling the dynamics of an actuatable load functioning or operable within a servo or servo-type system, wherein the dynamics of the load are controlled by way of a unique pressure control valve configured to provide intrinsic pressure regulation. The pressure ... 06/29/06 - 20060137518 - Expandable hydraulic valve stack A hydraulic valve stack for a work machine is disclosed. The hydraulic valve stack has a base with a first mounting surface and a second mounting surface. The base is connectable to the work machine and has at least one fluid passageway extending through the base from the first mounting ... 12/08/05 - 20050268778 - Flow control device for pneumatic tool A flow control device for use in a pneumatic tool is disclosed to include an air connector, which has a first bearing portion, a sealing portion, a second bearing portion, an air inlet, and an air outlet, a control socket, which is threaded onto the air connector and has a ... 11/10/05 - 20050247188 - Hydraulic control valve having holding valve with improved response characteristics Disclosed is a hydraulic control valve having a holding valve with improved response characteristics. The hydraulic control valve includes a valve housing including a pump path communicating with a hydraulic pump, a tank path communicating with an oil tank, and first and second cylinder ports communicating with a hydraulic cylinder, ... 10/13/05 - 20050223885 - Controlled-flow hydraulic distributor The hydraulic distributor exhibits a cylindrical and internally-hollow body (2) having an inlet chamber (3) for a fluid and an outlet chamber (4) which are interconnected directly (by a communication conduit), or indirectly by an external distributor. A cursor (7) is axially mobile in the hollow body (2) and a ... 06/09/05 - 20050120873 - Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor A spool valve includes a first valve port coupled to a fluid source at a first pressure range, a second valve port coupled to a fluid source at a second, lower, pressure range, and first and second output ports coupled to a hydraulic device. The valve includes a valve spool ... ### FreshPatents.com Support |