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| Number | Title | Issue Date |
| 8186380 | Decompression apparatus and inorganic porous body A decompression apparatus has an exhaust mechanism for decompressing a vacuum chamber. The exhaust mechanism has a main exhaust passage one end of which is connected to the vacuum chamber and the other end of which is connected to a vacuum pump, a first valve dispos... | 05/29/2012 |
| 7284563 | Surge relief apparatus and method A surge relief apparatus for sensing, tracking and responding to pressure changes in a flow system. The apparatus includes a fluid storage tank that is in fluid communication with the flow system. The apparatus also includes a control valve that is connected to the ... | 10/23/2007 |
| 7261127 | Modified push-pull valve for filter systems and method A valve assembly is constructed for use in a filtering system including a pump and a filter with an inlet and an outlet, for example those systems used in conjunction with swimming pools. The assembly includes a valve body with a pump inlet, a filtered output, a was... | 08/28/2007 |
| 7243679 | Adsorbent fractionator directional flow control valve assembly apparatus and method An adsorbent fractionator directional flow control valve assembly includes two inlet valves, two exhaust valves, and a valve body. The valve assembly controls the directional flow of an influent gas mixture into one of two vertical desiccant tanks of an adsorbent fr... | 07/17/2007 |
| 7191789 | Transition adaptor and component modules for hydronic heating A system for making modular all of the components of hydronic heating systems so that they can be assembled in various configurations with a minimum of error and labor. The system includes a modular transition adaptor that completes a first hydronic loop and provide... | 03/20/2007 |
| 7140384 | Substrate processing equipment having mass flow controller A mass flow controller includes a base having a first passage, an inlet portion for introducing fluid into the first passage, an outlet portion for releasing the fluid from the first passage, and a second passage branched from a first upstream portion of the first p... | 11/28/2006 |
| 7004405 | Syringe unit The invention comprises a golf course treatment platform having a frame with a spool of garden hose wound onto the spool, control piping on the platform, and a chemical tank whereby water may be introduced into the control piping a valved directly into the garden ho... | 02/28/2006 |
| 6974245 | Device for mixing a liquid fertilizer with a flow of water, for use by individuals The mixing device for liquid fertilizer with a flow of irrigation water, comprises a mixing head (1) provided with an internal mixing chamber (2) into which opens an internal water supply channel (3), adapted to be connected to a source (4 | 12/13/2005 |
| 6966365 | Outflow prevention device To provide an outflow prevention device which is capable of preventing refrigerant from flowing out into a vehicle compartment even when an evaporator has ruptured. The outflow prevention device comprises a shut valve arranged in a passage via which refrigera... | 11/22/2005 |
| 6830527 | Cooling system for working fluid used in automatic transmission of automotive vehicle In a transmission-fluid cooling system of an automatic transmission of an automotive vehicle equipped with a water-cooled oil cooler and an air-cooled oil cooler connected in series to each other, a first bypass valve is provided to permit working fluid to circulate... | 12/14/2004 |
| 6799631 | Heat exchanger with integrated flow control valve A U flow radiator 10 with a header tank 12 split into inlet and outlet sides I and O by a lengthwise divider wall 18 has a coolant inlet consisting of a cylindrical pipe 22. A hollow cylindrical barrel 24 co extensive and coaxial w... | 10/05/2004 |
| 6740000 | Cooling system for working fluid used in automatic transmission of automotive vehicle In a transmission-fluid cooling system of an automatic transmission of an automotive vehicle equipped with a water-cooled oil cooler and an air-cooled oil cooler connected in series to each other, a first bypass valve is provided to permit working fluid to circulate... | 05/25/2004 |
| 6668860 | Switching device for optionally passing a flow of medium through a first or second treatment member A switching device for optionally passing a flow of medium, such as a highly pressurized gas, through a first or second treatment member (2, 3), in which the medium is subjected to a treatment, such as filtration, heating, cooling or the like, comprises a... | 12/30/2003 |
| 6467504 | N connection An "N" connection allows any cleaning device or pig to pass through pipe lines without interfering with fluid flow and without interrupting the flow in the branch line. In the "N" connection a branch line is connected to the main flow line through two con... | 10/22/2002 |
| 6416293 | Pumping cartridge including a bypass valve and method for directing flow in a pumping cartridge Pumping cartridges are disclosed for use in pumping systems. One such cartridge includes a series of fluid flow paths therein and a bypass valve therein, the bypass valve can selectively block fluid flow along one or both of two fluid flow paths through t... | 07/09/2002 |
| 6269835 | Pressure-regulating arrangement In a pressure-regulating arrangement between a pump and a load, in particular between a fuel pump and an internal combustion engine, in which, if the flow from the pump exceeds a predetermined pressure, a cutoff quantity is branched off and fed back into ... | 08/07/2001 |
| 6206021 | Sleeve valve with clean out section A sleeve valve comprises a sleeve and a gate. The sleeve includes an intake, a discharge nozzle section, and a clean-out section. The discharge nozzle section includes a plurality of nozzles. The sleeve is adapted for fluid flow from the intake through a ... | 03/27/2001 |
| 6192930 | Valve device A valve (8) is fitted into a channel arrangement having a first inner channel (1) which extends longitudinally carrying a first fluid. An outer channel (4) encloses channel (1) and is intended for the passage of a second fluid at a lower temperature. The ... | 02/27/2001 |
| 6135145 | Valve and filtration arrangement for polymer processing system An improved polymer processing system having a pair of filtration units and a diverter valve arrangement for directing the flow of molten polymers alternately through the filtration units includes an improved manifold for the diverter valve arrangement fo... | 10/24/2000 |
| 6109301 | Multiple magnetic valve for a liquid-regulated heating and/or cooling installation The invention is based on a magnet valve (10) for a fuel-regulated heating and/or cooling system, having a valve housing (16) that has an inlet conduit (18), an outlet conduit (20, 22), a return conduit (98), and a bypass conduit (24, 26) between the inle... | 08/29/2000 |
| 5992515 | Transmission fluid cooler-bypass unit for a transmission fluid cooling system A transmission fluid cooling system includes a cooler-bypass unit having a banjo bolt relief valve. The banjo bolt relief valve includes a head portion and a body portion. A relief valve is incorporated into the body portion. A valve seat is formed betwee... | 11/30/1999 |
| 5922286 | Device for delivering any one of a plurality of gases to an apparatus A device for delivering one of a plurality of gases to an apparatus includes at least two valves. Each valve includes a first conduit permanently connected by one end thereof to an associated sampling line and, by another end thereof, to an associated pur... | 07/13/1999 |
| 5819784 | Water purifier having a water discharge valve for draining water storage tanks A water purifier includes a housing containing hot and cold water storage tanks. Hot and cold water spigots are connected to the hot and cold water tanks, respectively, for dispensing hot and cold water. A water retainer tray is disposed beneath the spigo... | 10/13/1998 |
| 5566881 | Automotive hot-water Heating apparatus According to the present invention, a hot water type heating apparatus includes a heat exchanger and a flow quantity control valve which controls a quantity of hot water to the heat exchanger. The flow quantity control valve includes a valve housing provi... | 10/22/1996 |
| 5494078 | Pneumatic lift device for dual flow valve Positive adjustable flow is provided for a dual flow valve for paint dispensing or the like utilizing a sliding piston and a lost motion device in combination with an adjustable stop and wherein operating lift is provided by a single pressure source alter... | 02/27/1996 |
| 5421365 | Flow control apparatus A flow control apparatus comprises a base body, first and second gas passages provided in the base body for passing gas therethrough, gas flow adjusting mechanism, provided so as to connect the first and second gas passages to each other, for adjusting th... | 06/06/1995 |
| 5421813 | Method for cleaning humor replacing circuit, joint for forming the circuit, and medical instrument container, for use in medical treatment This invention is directed to a method for cleaning a humor replacing circuit, in its entirety, by simply switching valves of joints connected to end portions of ducts which interconnect medical instruments (such as, a membrane type plasma separator, a se... | 06/06/1995 |
| 5253954 | Alternate intake pipe system to eliminate zebra mussel colonization A method and apparatus for eliminating zebra mussel colonizations from fresh water intake pipes for facilities, such as power plants and water treatment plants, are disclosed. One or more small diameter alternate intake pipes are disposed within a main in... | 10/19/1993 |
| 4995448 | Engine oil cooling system The inlet and outlet passages communicating with a water-cooled engine oil cooler for a vehicle, such as a motorcycle, are arranged for bypass of a regulated amount of oil from the inlet passage to the outlet passage to enhance the flowability of the cool... | 02/26/1991 |
| 4930540 | Flow diverter for a vehicle heating system The invention relates to a flow diverter adapted to convey engine cooling water toward an air heating system for the passenger compartment of the vehicle. The diverter is installed along the circuit conveying the cooling water and, more precisely, within ... | 06/05/1990 |
| 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 |
| 4550710 | Modular water heater connection apparatus and method for fabricating same A modular water heater connection apparatus for integrally joining the cold water input and hot water output bungs of two conventional hot water heaters arranged in tandem. Low-profile hot and cold water connection circuitry cooperates to connect two subs... | 11/05/1985 |
| 4496463 | Duplex strainer A duplex strainer having a housing with an inlet port and a outlet port. st and second strainer chambers each have first and second ports which are in separate fluid communication with the housing. An efficient scotch yoke design coverts rotation of a fi... | 01/29/1985 |
| 4469131 | Spool valve A spool valve composite valve stem mounting a pair of valve heads longitudinally movable to a service position in which the valve heads cooperate with valve seats to direct fluid along one path, the valve stem being oppositely movable to a backwash positi... | 09/04/1984 |
| 4412648 | Control valve assembly for steam radiators A control valve assembly for use in a one-pipe steam heating system in which the passage of steam to each radiator in the system and the return of condensate from each radiator is controlled by individual valve assemblies at each radiator, the valve assem... | 11/01/1983 |
| 4304259 | Plant circuit having change-over means for changing sequence of flow The change-over means employs two three-way valves and two non-return valves for affecting a switch over in the sequence of flow through the four flow elements. Each three-way valve is constructed with a closure member which may only close one of the inle... | 12/08/1981 |
| 4147182 | Control valve, in particular two- or three-way valve for heat exchangers and the like An inner valve comprises a stem having one fixed inner valve part and one or more inner valve parts which upon rotation of the stem are axially movable relative to the fixed part so as to provide a port of continuously variable area. The stem, with its in... | 04/03/1979 |
| 4136032 | Liquid treatment apparatus A flow control valve for multicycle liquid treatment apparatus has a pair of rotatable, slotted circular discs at its opposite ends. Rotation of the discs causes the slots to be selectively aligned with various ports, passages, holes and channels so as to... | 01/23/1979 |
| 4130133 | Bypass valving fluid control arrangement A bypass valving fluid control arrangement for a fluid system including a fluid treatment device which permits the removal of the fluid treatment device from the system without interrupting system operation and wherein the bypass valving control comprises... | 12/19/1978 |
| 4105555 | Multi-port valve A valve is provided adapted to multiple modes of use including filter, backwash, rinse, recirculate, and direct to waste, on a swimming pool filter of the type normally filtering water under pressure through a backwash-regenerable filtering medium dispose... | 08/08/1978 |
