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Class 137/853 - Sleeve


Subclass of Class 137 - Fluid handling
Definition: Valves in which the resilient member is an axially extending
No. of patents: 120
Last issue date: 11/16/2010


1      
NumberTitleIssue Date
7832431Valves and pumps
A check valve (10) comprises, a flexible tube (11) having first and second end portions defining an inlet (13) and an outlet (14), respectively, and a rigid valve body (12) surrounding the flexible tube (11). The end portion...
11/16/2010
7527073Backflow preventer
The invention relates to a backflow preventer (1) integrateable into a gas or liquid pipeline (2). The inventive backflow preventer consists of a closing body (3) which is embodied in the form of a hollow body which is open on a drainage side th...
05/05/2009
7438131Expandable injector pipe
An expandable injector pipe has openings and a cover sleeve preferably secured at opposed ends with offset openings. Expansion of the base pipe causes the cover sleeve to expand while keeping the openings in the cover sleeve misaligned with the openings in the base ...
10/21/2008
7431573Device for generating a reducing agent/air mixture
The apparatus for generating a mixture of reducing agent and air has a pumping agent feed pump having a pump housing and a mixing chamber into which reducing agent and air pumped by the feed pump can be introduced; the mixing chamber is embodied in a mixing chamber ...
10/07/2008
7306129One way valve assembly
A one way valve assembly flows a sterile flowable substance from a source to an outlet orifice and prevents any backflow of contaminants through the one way valve assembly when the flowable substance ceases to flow. The valve assembly includes an elastomeric membran...
12/11/2007
7243682Annular one-way valve
A one-way valve with an annular nozzle. The valve body is a truncated cone with an interior fluid manifold. The truncated cone section includes a lower retaining groove and a fluid groove. A fluid conduit connects the interior fluid manifold to the fluid groove. An ...
07/17/2007
7201295Fitment assembly for a liquid dispenser
A fitment assembly for a peristaltic pump dispenser. The fitment assembly includes a flexible fitment having an upper end with a radically extending lip, a lower end spaced from the upper end, at least a portion of which is conical, and a flexible portion therebetwe...
04/10/2007
7150727Apparatus and method for preventing free flow in an infusion line
An apparatus and method for preventing free flow through an infusion set utilizes an occluder disposed within the infusion set to selectively prevent flow therethrough. The occluder may be responsive to a pressure differential within the infusion set or may respond ...
12/19/2006
7100366Device for the post-treatment of exhaust gases of an internal combustion engine
An apparatus for posttreatment of exhaust gases of an internal combustion engine, using a reducing agent to be introduced into the exhaust gases, in particular a urea or a urea-and-water solution, having an improved mixing chamber into which stored reducing agent, v...
09/05/2006
7036490Elastomeric vapor flow control actuator
A canister purge valve for regulating fuel vapor flow between a fuel vapor collection canister and an intake manifold of an internal combustion engine. The canister purge valve includes a body defining a passage extending between a first port and a second port. The ...
05/02/2006
7019960Electric double-layer capacitor
The invention provides an electric double-layer capacitor sealed up by a flexible casing material that ensures a release of pressure upon an increasing internal pressure. A pressure release valve (1) is attached to the flexible casing material. The pressure r...
03/28/2006
7011103Vacuum relief assembly for I.C. engine intakes
A Vacuum Relief Assembly for I.C. Engine Intakes is disclosed. Also disclosed is a device that permits outside air into the intake tract of an internal combustion engine in the event of an excessively high vacuum condition within the intake tract. Furthermore, the d...
03/14/2006
7007715Pressure release valve
A shaft part is coaxially provided within a pressure release port provided in a sealing plate sealed to an opening portion of a case for a condenser or a battery, a valve body closely fitted and fixed within the pressure release port has a seal lip which is directed...
03/07/2006
6979311Apparatus and method for preventing free flow in an infusion line
An apparatus and method for preventing free flow through an infusion set utilizes an occluder disposed within the infusion set to selectively prevent flow therethrough. The occluder may be responsive to a pressure differential within the infusion set or may respond ...
12/27/2005
6923785Apparatus and method for preventing free flow in an infusion line
An apparatus and method for preventing free flow through an infusion set utilizes an occluder disposed within the infusion set to selectively prevent flow therethrough. The occluder may be responsive to a pressure differential within the infusion set or may respond ...
08/02/2005
6848471In-line check valve
A check valve is placed in a conduit for pressurized fluids, and comprises a cylindrical external housing having inlet and outlet ends, a cylindrical internal spigot, and an elastomeric sleeve fitted over the spigot. It is sealed at the second end, and has a plurali...
02/01/2005
6820652Multi-channel valve
A multi-channel valve having a valve seat, a valve seal, and valve seal housing. The assembly of the apparatus creates a plurality of inlet, exit, and cross channels enclosed by elastomeric portions of a valve seal. The elastomeric portions of the valve seal create ...
11/23/2004
6810914Method and arrangement to accomplish a one-way flow
A method and arrangement to accomplish a self-acting function of one way flow in a conduit with minimal flow resistance is disclosed. A one way valve, which in an unaffected position blocks the conduit, is of a flexible, elastic material, and is arranged with a tigh...
11/02/2004
6766816Collapsible dispensing system
A collapsible dispensing system for flowable materials is disclosed. A conical one-way valve assembly of coaxially conforming parts is attached to a collapsible container. An enclosing sleeve seals an elastomeric sheath to a valve body. Flowable materials are dispen...
07/27/2004
6748973Valve means
A valve means for a flow pipe includes a cylindrical or sleeve like body part having a length which is longer than the extension of the flow opening in the flow pipe. The body part is fastenable to the flow pipe or to a branch part of the flow pipe by a connecting m...
06/15/2004
6634376Back flow preventing eductor
An anti-backflow eductor has a resilient sealing sleeve disposed on a water port defining blind end tube. The sleeve has a thinner wall cross section at a discharge end to enhance sealing while facilitating increased water flow. The ports in the blind end...
10/21/2003
6378790Shower head having a rubber/plastic face plate and a diverter valve using rubber sleeve back pressure activation
A shower head comprising a hollow body connected at one end to a water source, and a face, plate connected at the other end of the hollow body. The face plate includes a plastic substrate having a plurality of circumferential openings and a central openin...
04/30/2002
6305412Double acting pressure relief valve with low pressure seal
A pressure relief valve that includes a sealing arrangement with a cantilevered seal that prevents fluid from escaping from a system if the differential pressure is only slightly positive yet permits fluid to be released from the system if the internal sy...
10/23/2001
6217534Method and pulsating spray apparatus for inducing altered states in human beings
A method for inducing a state of conciousness in a human being by bombarding the body with a fluid pulsating at a frequency corresponding with the frequency of brainwaves normal to the state being induced. A method is also disclosed for producing a concen...
04/17/2001
6197005Check valve, in particular for use in an implantable artificial bladder
The check valve comprises an inlet duct (31) , an outlet duct (32) and a valve chamber (34) arranged between them. The valve chamber (34) is permanently connected with the inlet duct (31) via openings (35). On a blind duct (33) a valve member (36) is moun...
03/06/2001
6126045Connector assembly for a fluid connection
A connector assembly for a fluid connection, comprising a female part and a male part to be connected to this. The female part has an axial bore and there is a plug to close off the bore. The plug and the male part are provided with cooperating connection...
10/03/2000
6096199Oil filter cartridge with temperature sensitive bypass valve
A lubricating oil filter cartridge is disclosed herein. The filter cartridge includes a bypass valve configured and arranged for opening at a selected oil pressure that is substantially higher at low oil temperatures than at the higher operating temperatu...
08/01/2000
5921273Delivery valve assembly for compressor
A a cartridge type delivery valve assembly in which a valve seat surface and a valve are integrated in order to assure good seating characteristics in the delivery valve. The delivery valve assembly is formed by fixing together a valve holder provided wit...
07/13/1999
5879219Balloon inflation and illumination device
An improved device for inflating and illuminating a balloon. The device includes a hollow tube having an air baffle structure integrally molded in its interior. The air baffle structure directs air flowing through the tube out through side openings and in...
03/09/1999
5826621Valve apparatus
A valve apparatus employs a spherical sealing element disposed in resiliently deformable tubing. The dimensions of the sealing element are selected such that the valve opens when subjected to a cracking pressure that is greater than the head pressure deve...
10/27/1998
5813061Air pressure driven vacuum sewer system
A vacuum sewer system comprises a normally closed sewer valve connected between the outlet opening of a waste receiving unit to be emptied and a sewer pipe, and an ejector. The ejector is an integrated part of the sewer pipe. The sewer pipe includes one p...
09/29/1998
5779147Dosing nozzle assembly and process for dosing liquid
The present invention relates to a nozzle assembly for dosing liquid while preventing spillage or dripping between the dosing. This nozzle assembly includes a dosing chamber (4) has an inlet (21), a piston housing wherein a piston plunger (5) is disposed,...
07/14/1998
5755263Backward flow prevention device
A backward flow prevention device includes a body through which a fluid passage extends, the fluid passage intersecting an outer periphery of the body to form a fluid port. A flexible tube includes a first end mounted on the outer periphery of the body to...
05/26/1998
5740782Positive-displacement-metering, electro-hydraulic fuel injection system
An improved, full-authority, digital-electronic-controlled cylinder fuel injection system for internal combustion engines is conceived that utilizes positive displacement metering and electrohydraulic actuation with pressure amplification, positive feedba...
04/21/1998
5730183Valve for venting a container
A valve for venting a container has a valve housing with an annular chamber. A ring member with a first axial and a second axial end is arranged in the annular chamber. The ring member has a first sealing lip at the first axial end and a second sealing li...
03/24/1998
5660205One-way valve
A method and apparatus is disclosed for supplying a fluid under pressure to a channel and for blocking a backflow of fluid from the channel to a catheter. The apparatus is a one-way valve assembly for use with a container supplying a fluid under pressure ...
08/26/1997
5623974Spray product and pump to supply air under pressure to the dispenser
A dispenser having a manually-operated dispensing valve assembly has a container for accommodating a spray product. The bottom of the container has a recess adapted to cooperate with a tube used to deliver air under pressure from an air pump into the cont...
04/29/1997
5588640Air-spring leg with a pressure chamber for motor vehicles
In air-spring legs with a pressure chamber in each case for motor vehicles, in which the respective pressure chamber can be subjected to different pressures via a connector leading to the outside, a minimum pressure is to be ensured in the respective pres...
12/31/1996
5564460Double seal vacuum breaker
A vacuum breaker assembly includes an outlet tube having circumferential air ports and a vacuum breaker sleeve formed of a flexible elastomeric material positioned within the outlet tube. Conventionally, a stiffening funnel will be positioned within the v...
10/15/1996
5551483Backflow-preventer
To the housing part of a backflow-preventer for a sanitary device there is fastened an outer sleeve, made from elastomeric material, exhibiting a sleeve section which is distanced from the housing part. The outer sleeve embraces an inner sleeve which is f...
09/03/1996
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