Class 251/359 - Seats

Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter comprising the normally stationary valving
No. of patents: 176
Last issue date: 08/24/2010

«First «Previous1 2 3 4 5 Next»Last»

Number	Title	Issue Date
7780144	Valve, in particular for a high-pressure pump of a fuel injection system for an internal combustion engine A valve having a valve member, which cooperates with a valve seat formed in a housing part in order to control a connection, and the valve seat has an at least approximately conical seat face, which is located at a transition of the connection from a portion of smal...	08/24/2010
7611125	Valve and method for producing a valve A valve and a method for producing a valve, in particular for coolant circuits, having a valve seat (2) including a valve seating element (1) for a valve body (3) by stamping the pole shoe to form at least one sealing surface (8) to avoid...	11/03/2009
7410608	Methods for manufacturing a diaphragm for an air admittance valve In some embodiments, a process for manufacturing a diaphragm for an air admittance valve includes disposing a first center disk into a first cavity of a first mold, the first center disk includes a hollow stem. A material is provided into the first mold, through the...	08/12/2008
7387135	Valve assembly having rigid seating surfaces A valve assembly including a valve body having a bore and a port extending to the bore, an orifice member received in the bore and having an end wall and a side wall, and wherein the end wall defines an orifice providing fluid communication with the port of the body...	06/17/2008
7364132	Sanitary diaphragm valve A sanitary diaphragm valve is provided that includes a generally dome shaped diaphragm having a central boss that can be connected to or driven by a valve actuator. The diaphragm includes an outer peripheral edge and a relatively thin web portion that connects the b...	04/29/2008
7347206	Control group of a second-stage regulator for scuba divers A group for controlling a second-stage regulator for scuba divers. The regulator comprises a regulator body with an inlet conduit for connection to a first-stage regulator which supplies a breathable gaseous mixture at a constant pressure and an outlet conduit for c...	03/25/2008
7320561	System and method for handling bulk materials A bulk material handling system generally consisting of means for holding the material; means for conveying the material including a first conduit formed of a permeable material having an inlet communicating with an outlet of the material holding means and an outlet...	01/22/2008
7303178	Additional control valve device for an inlet channel of a reciprocating internal combustion engine The present invention is a supplementary control valve device including a valve body, which may be reversibly displaced in a guide, in the direction of the longitudinal axis, between an opening solenoid and a closing solenoid. The magnetic yoke of the opening soleno...	12/04/2007
7275564	Pigging ball valve A pigging ball valve with a housing and ball core supported for rotation within the housing. The ball core sits on a valve seat, which is supported by a seat carrier. The valve seat carrier has three distinct diameters that locate the seat in the housing and thus pr...	10/02/2007
7252249	Solenoid-type fuel injector assembly having stabilized ferritic stainless steel components A solenoid-type fuel injector assembly having at least one component formed of stabilized, solenoid-quality ferritic stainless steel. In a preferred embodiment, an austenitic fuel tube is laser-welded to an injector body and to a solenoid pole piece formed of the su...	08/07/2007
7237761	Valve having double wound lamellar ring The present invention is directed to a valve which includes a housing having a valve seat for a flap that is rotationally mounted on a drive shaft. A double wound lamellar ring is arranged outside and around the flap in a peripheral groove of the flap. The invention...	07/03/2007
7231797	Calking die and calked heel A calking die for calking a component in a receiving bore, in particular for calking a securing flange in a stepped receiving bore of a valve block of a traction-controlled vehicle brake system, having an end face oriented toward the component, which face can be bro...	06/19/2007
7225831	Fluid flow control valve A fluid flow control valve that may be used as both a check valve and a relief valve. The valve includes a moveable valve member having a surface capable of forming two or more valve seal areas with two or more valve seat surfaces on a valve seat member. The valve s...	06/05/2007
7216427	Surface treatment of prefinished valve seat inserts A prehardened valve seat insert and a process for forming a prehardened valve seat insert for insertion into a cylinder head or an engine block of an internal combustion engine. The process comprises the steps of (a) forming the valve seat insert; (b) precision mach...	05/15/2007
7210494	Valve and method for producing a valve A valve and a method for producing a valve, in particular for coolant circuits, having a valve seat (2) including a valve seating element (1) for a valve body (3) by stamping the pole shoe to form at least one sealing surface (8) to avoid...	05/01/2007
7175158	Tub valve having versatile mounting structure A valve assembly for installation into deck-mounted tubs includes a valve body, a top plate that engages with the valve body, a bottom plate, and an adjustment member that bears against the valve body and engages with the bottom plate. The adjustment member is acces...	02/13/2007
7165327	Method for installing a valve member in an auxiliary control valve device A method for arranging a valve element in an additional control valve device includes provides that, after a first position has been set, a valve plate is pushed onto the stem until the valve plate contacts the stop of a trapping magnet. The valve plate is then conn...	01/23/2007
7159847	Supplementary control valve device for the inlet channel of a reciprocating internal combustion engine The additional control valve device has a valve element which is guided between a gantry magnet and a trapping magnet in a reversibly movable manner in the direction of the longitudinal axis. An encircling seal is arranged on that side of the housing, in which the g...	01/09/2007
7156372	Non-contact valve for particulate material A non-contact valve (24, 26) for controlling the flow of particulate material (M) includes a body (102) and a gas-porous element (106) associated with the body (102). A first orifice (122) is defined by the gas-porous element (1...	01/02/2007
7143996	Throttle connection fitting for an internal combustion engine A throttle valve connection piece for an internal combustion engine is disclosed, the piece including a housing and a throughflow opening in which the valve is pivotably mounted around a pivot axis. The pivot axis extends in a perpendicular manner with respect to a ...	12/05/2006
7140595	Pressure regulator with single strut regulator seat A fluid pressure regulator comprising a tubular housing having a fluid inlet at one end thereof and a fluid outlet at an opposite end and a fluid passage therebetween; a tubular plunger mounted for reciprocal movement in the fluid passage, the plunger having a flow ...	11/28/2006
7137405	Low pressure check valve A check valve for preventing backflow of media including a valve movably coupled to a carrier body, the valve including a flexible membrane disposed therein such that the flexible membrane flexibly engages an aperture in the carrier body to prevent backflow of media...	11/21/2006
7104333	Dry pipe valve for fire protection sprinkler system A differential-type dry pipe valve for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water pressure to system air pressure at which the fire protection sprinkler sys...	09/12/2006
7104281	Fluid flow regulation Fluid flow regulation may be achieved by a system including a housing, a first flow throttling area, and a second flow throttling area. The housing includes a flow inlet port, a flow outlet port, and a passage between the ports. The first flow throttling area is in ...	09/12/2006
7090193	Butterfly valve A portion of the one valve rod which extends outward is pivotally supported, the valve shaft cylindrical portion which is connected to the valve rod shaft supporting portion is made of material different from that of the valve body, a slanting surface is formed betw...	08/15/2006
7086417	Gas flow control device Invention is of an improvement to seat of gate valves used for gas-lift producing oil wells, consisting of a seat lower part of which is curved there being a straight vertical art and a sloping straight lower part, central spacing consisting of a first part in the s...	08/08/2006
7070166	Powdered metal inlay Methods and apparatus are disclosed for making substantially nonporous powdered metal (P/M) inlays on substrates using hot-isostatic-pressure (HIP). Methods described herein differ from conventional practice in their use of new apparatus for steps including: formati...	07/04/2006
7048001	Pressure regulator with single strut regulator seat A fluid pressure regulator comprising a tubular housing having a fluid inlet at one end thereof and a fluid outlet at an opposite end and a fluid passage therebetween; a tubular plunger mounted for reciprocal movement in the fluid passage, the plunger having a flow ...	05/23/2006
7032880	Valve with pressure adaptable seat A seat assembly extending about an inlet passage of a valve and engaging a valve member is disclosed. The seat assembly includes an annular seat carrier having an annular groove formed therein, and a seat positioned in and extending from the annular groove of the se...	04/25/2006
7025078	Clean-in-place valve and valve seat A valve seat and a valve assembly incorporating such valve seat form tight dual seals with glass lined nozzle of a reagent or reaction vessel. This reduces or eliminates cavities and crevices between the value seat and the nozzle where residues or contaminants can a...	04/11/2006
7021605	Regulator valve A control valve (1) comprises a housing (2) manufactured by a pressure die casting process, whose housing edges of upper semicircular bore hole are located exactly vertically above housing edges of lower semicircular bore hole and for this reason, the ...	04/04/2006
6994108	Check valve for fuel pump A check valve for a fuel pump of a vehicle includes a valve housing adapted to be disposed in an outlet member of the fuel pump and a valve seat formed on the valve housing. The check valve also includes a valve member disposed in the valve housing and having a clos...	02/07/2006
6994321	Reciprocating ball valve The device described herein is a valve suitable for the control or shut-off of fluid flow in a piping system. It comprises a valve housing having inlet and outlet ports and a cylindrical bore whose axis is slanted at about 45 degrees in relation to the axis connecti...	02/07/2006
6955181	Valve body and seal assembly A valve seal assembly comprising a valve body having one or more peripheral integral seal retention grooves and one or more peripheral elastomeric seals, each seal being cast-in-place in an integral seal retention groove having adhesion-inhibiting surfaces and offse...	10/18/2005
6953055	Pneumatic gate valve with an injection-molded valve housing A pneumatic gate valve includes a valve housing made of injection-molded plastic material and having a plurality of external ports. Received in the valve housing are a plurality of valve bushings disposed in axial-spaced relationship as to define a valve bore and a ...	10/11/2005
6938816	Methods of manufacturing diffusion bonded products and products manufactured by such methods A method is provided for diffusion bonding a first member (20) and a second member (3) to each other. According to this method, a first joint portion (24) of the first member and a second joint portion (34) of the second member are fitted...	09/06/2005
6929240	Solenoid valve A valve 6 fixed on a tip 5a of a rod 5 as a moving part, abuts a sealing part 9 of a fluid passage 8 when the rod 5 moved to the left, and interrupts a flow of fluid, is made, for instance, of elastic materials such a...	08/16/2005
6916004	Electromagnetic valve An electromagnetic valve for opening and closing a fluid flow passage by operating a plunger under a magnetic force of a solenoid. The valve comprises a valve head provided at one of opposite ends of the plunger, and a fixed valve seat including an orifice providing...	07/12/2005
6886594	On-off valve, particularly for insulation by-pass of exhaust gas expansion turbines of catalytic cracking plants The invention relates to on-off valve, particularly for insulation by-pass of exhaust gas expansion turbines of catalytic cracking plants, of the type comprising a hollow valve body, an opening for the inlet of the gas into the valve, an opening for the outlet of th...	05/03/2005
6851659	Valve seating system The present invention relates to a closure device, in particular for closing ducts in a valve-accommodating member in which pressure medium is conveyed, comprising a rotationally symmetric closure member that is wedged in an accommodating bore of a housing. The calk...	02/08/2005

«First «Previous1 2 3 4 5 Next»Last»

PatentStorm

Bizarre Patents

PatentStorm News

Class 251/359 - Seats