Class 137/601.21 - With reverse flow direction

Subclass of Class 137 - Fluid handling
Definition: Subject matter wherein the direct response valve is provided
No. of patents: 24
Last issue date: 10/28/2008

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Number	Title	Issue Date
7441563	Thermostatic expansion valve with check valve A valve is provided that comprises a valve body including an inlet, an outlet, and a check valve chamber having an opening through the side of the valve body. The valve has a cover secured within the side opening in the valve body. A first valve opening is disposed ...	10/28/2008
7434597	Thermostatic expansion valve with check valve A valve is provided that comprises a valve body including an inlet, an outlet, and a check valve chamber having an opening through the side of the valve body. The valve has a cover secured within the side opening in the valve body. A first valve opening is disposed ...	10/14/2008
7293435	Hydraulic distributor for a washing machine A hydraulic distributor for a washing machine which comprises a rotating axle (7), water being directed from the mains to a plurality of compartments of the washing machine by means of the rotation of said rotating axle (7); a hydraulic body (2)...	11/13/2007
6871666	Bi-directional dual chamber orifice fitting Methods and apparatus for a bi-directional dual chamber orifice fitting comprising a body with a chamber in fluid communication with a flow bore. The fitting also comprises an orifice supported by an orifice plate carrier that is selectably disposable in the bore. I...	03/29/2005
6691729	Valve assembly A housing (16) comprises a first housing (17) and a second housing (18). The first housing (17) is fixed to a gas cylinder (1) and is provided with a cylinder main valve (3) which is manually opened and closed. The second housing (18) is provided with a m...	02/17/2004
6481452	High pressure, high flow pump prime valve The invention is a two-stage, two-poppet prime valve assembly for use in high pressure applications such as vehicle braking systems. The valve assembly has two valve seats and two plungers for allowing the valve assembly to open under high pressure while ...	11/19/2002
6382250	Solenoid valve with a check valve A solenoid valve useful in a slip-controlled hydraulic brake system of a motor vehicle, and which has a seat valve disposed between a pressure fluid inlet and a pressure fluid outlet and in the bypass to this seat valve, has a check valve with a hollow co...	05/07/2002
6296015	Speed controller with pilot check valve A speed controller has a pilot check valve having a first body which has a first fluid inlet/outlet port defined in an end thereof and a pilot port defined in an opposite end thereof. A flow control valve has a second body integral with the first body. A ...	10/02/2001
6296013	Pressure/flow rate control valve Disclosed is a pressure/flow rate control valve comprising a valve-opening/closing section having a valve plug which is installed with an elastic member having a substantially tapered cross section at one end, a stem which is displaceable integrally with ...	10/02/2001
6289930	Refrigerant expansion device having combined piston orifice valve and solenoid-actuated closure A refrigerant expansion valve for an air conditioning system is combined with a solenoid-actuated closure device in a common housing. The housing provides for placement of the solenoid valve in a position to shut off fluid flow across the expansion device...	09/18/2001
6227231	Pressure/flow rate control valve Disclosed is a pressure/flow rate control valve comprising a pressure-adjusting section having a valve plug for reducing the pressure of a pressure fluid flowing through a clearance between a hole and itself, a stem which is displaceable integrally with t...	05/08/2001
6158463	Valve arrangement, in particular electromagnetic valve arrangement for slip-controlled motor vehicle brake systems The present invention relates to a valve arrangement which includes a hydraulically actuatable non-return valve (1) and another, preferably electrically actuatable valve closure member (7), which are both positioned in a valve-accommodating bore (8) of th...	12/12/2000
6131610	Speed controller with pilot check valve A speed controller has a pilot check valve having a first body which has a first fluid inlet/outlet port defined in an end thereof and a pilot port defined in an opposite end thereof. A flow control valve has a second body integral with the first body. A ...	10/17/2000
4936032	Safety valve for hydraulic receiver and hydraulic circuit comprising same Safety valve for a hydraulic circuit supplying a hydraulic receiver having an inlet and an outlet connected to the receiver which includes between the inlet and the outlet a non-return module which has a non-return valve and a selectively operable valve h...	06/26/1990
4657040	Bypass reverse flow valve A filter assembly including a housing and a filter element which includes a bypass/reverse flow valve coaxially disposed within the housing with the filter element and includes a central opening therethrough coaxially aligned with the opening in the filte...	04/14/1987
4495965	Flow regulating valve A nut means engages with a thread formed on an outside surface of the cylindrical form valve body. A valve member having a flow restricting means such as needle valve device on one end is fitted slidably within the valve body and the same is connected to ...	01/29/1985
4381797	Flow control valve with a non-rising stem A fluid flow control valve having an upstream port and a downstream port interconnected by a single flow path. An adjustable fluid flow control valve is mounted in said flow path for providing a meter out action on pressurized fluid flowing through said f...	05/03/1983
4271864	Pressure regulating valve A pressure regulating and exhaust valve having an upstream port and a downstream port interconnected by a flow path. An adjustable pressure regulating valve is mounted in said flow path for regulating the downstream pressure in said flow path. The exhaust...	06/09/1981
4262695	Flow rate control valve A flow rate control valve for use with an actuator, in which a fluid may be quickly discharged from a cylinder in the actuator on a return stroke of a piston which is slidingly fitted in the cylinder. The valve includes a casing defining a fluid inlet por...	04/21/1981
4192346	Control valve A control valve is provided between a direction-changeover valve and an actuator in a fluid-pressure operating system. This control valve includes a body having an inlet and an outlet; a fluid passage interconnecting the inlet and the outlet; a valve body...	03/11/1980
4177840	Pressure regulation and flow control valve with combination needle and check valves A combination pressure regulating and flow control valve which includes a valve body and cover means having an upstream port and a downstream port, and a fluid flow passage interconnecting said ports. An adjustable pressure regulator valve means is operat...	12/11/1979
4171007	Unidirectional flow limiter Unidirectional flow limiter housed in a union between a pipe and a user apparatus, comprising a first channel, a second channel, a flow reduction member between the two channels, a third channel, and a non-return valve in the third channel constituted by ...	10/16/1979
4164959	Metering valve An axial flow metering valve includes a valve body having an inlet, an outlet, a valve chamber therebetween and a passage for fluid between the inlet and the valve chamber. A valve member is movable in the valve chamber and includes a number of guide pins...	08/21/1979
4147179	Pressure governor valve equipped with flow control valve A pressure governor valve having a casing with an inlet on the primary side and an outlet on the secondary side thereof. A passage is formed in the casing and communicates the inlet with the outlet. A pressure governor valve is mounted in the casing for c...	04/03/1979

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Class 137/601.21 - With reverse flow direction