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Class 137/563 - Closed circulating system


Subclass of Class 137 - Fluid handling
Definition: Systems including a flow path in which at least a portion
No. of patents: 240
Last issue date: 02/14/2012


1            
NumberTitleIssue Date
8113236System and method for delivering chemicals
Systems and method for delivering materials to a tool are disclosed. A material delivery system utilizes two or more sources of the material to be delivered to the tool. One or more of the sources of the tool may be a batch mixer. The material delivery system also i...
02/14/2012
7934519Valve unit for a microfluid system
The present invention relates to a valve unit for a microfluid system comprising a first and a second fluid reservoir, a flow chamber, a fluid channel array and a conveying means, said first fluid reservoir being, via the flow chamber, in fluidic communication with ...
05/03/2011
7814933Apparatus and method for stabilizing concentration of aerosol
Provided is an apparatus for stabilizing the concentration of a previously generated aerosol, which includes: an aerosol inlet channel; an aerosol pressure adjustment unit accelerating the aerosol; a buffer connected to the aerosol pressure adjustment unit via an ae...
10/19/2010
7793684Water purification system and method
The invention concerns a hydraulic connector (140) forming a distributor or manifold for a hydraulic circuit of a fluid purification system (100) having a purified fluid inlet (142) and three outlets (143, 144, 145), characterized in that...
09/14/2010
7516755System for producing and distributing compressed air
The invention relates to a system for producing and distributing compressed air that comprises at least one compressor (1) having connected thereto a suction pipe (2) for the intake of air and an output pipe (3) for air compressed by said at lea...
04/14/2009
7392818Slurry dispensing system
A slurry dispensing system comprises a first supply station, a second supply station, a first loop, a second loop, a first valve and a second valve. The first loop is selectively connected to the first supply station and the second supply station. The second loop is...
07/01/2008
7389792Dip tube valve assembly
An apparatus for sampling or feeding a flowable material through a wall of a vessel or conduit includes a body having a collection chamber formed therein. A passage has an opening operatively connected to the collection chamber. An orifice is formed in the body and ...
06/24/2008
7338606Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system
An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure...
03/04/2008
7316236Cleaning device for the shaving head of a dry shaving apparatus
A shaving head cleaning device includes a housing, a receptacle configured to receive the dry shaving apparatus, a receiving region configured to receive the shaving head of the dry shaving apparatus, a reservoir for containing cleaning fluid, a supply conduit conne...
01/08/2008
7316243Fluid delivery system
A fluid delivery system includes a fluid storage vessel that feeds a first pipe work loop having a first pump that urges fluid through the first loop at a first pressure and which returns to the vessel. At least one pipe work branch is fed from the storage vessel or...
01/08/2008
7300575Portable filter system
A filter system for receiving an aqueous-based fluid contaminated with particles and emulsified contaminant oil, removing the particles, and separating the emulsified contaminant oil from the aqueous-based fluid includes a filter media for receiving the aqueous-base...
11/27/2007
7293720Fluid balanced paint system
Disclosed herein is a paint circulation system for a painting line, comprising a supply channel, a return channel and a plurality of drop lines downstream of the supply channel and upstream of the return channel, a paint pump means for circulating paint through the ...
11/13/2007
7277628Heater for aircraft potable water tank
A heater (10) for installation on a potable water tank (12). The heater (10) comprises a blanket (14) including an electrical resistance heating element (16) and a connection pad (18) for electrically connecting the heating ...
10/02/2007
7276168Method for supply of constant-concentration ozonated water
A method for the supply of a constant-concentration ozonated water, employs a unit for producing ozonated water and a system for using the ozonated water at a place separated therefrom, interposing an ozonated water circulating line between the ozonated water produc...
10/02/2007
7255730Fluid deceleration/de-aeration device
A fluid deceleration device is provided for a hydraulic system having a housing forming a sump, and a valve unit having an outlet port through which hydraulic fluid is expelled for communication to the sump. The fluid deceleration device includes an elongated tilted...
08/14/2007
7240692System for producing and distributing compressed air
A system for producing and distributing compressed air that comprises at least one compressor (1) having connected thereto a suction pipe (2) for the intake of air and an output pipe (3) for air compressed by the at least one compressor, and dis...
07/10/2007
7182101Device for controlling the flow of a fluid in one or more conduits in an electrical appliance, particularly in a dishwasher machine
A device for controlling the-flow of a fluid in one or more conduits in an electrical appliance, particularly in a dishwasher machine, comprises at least a control member, movable between two or more positions, and shape memory actuator means of control member. ...
02/27/2007
7178543Rapid hot water apparatus and method
An apparatus is shown for attachment to a plumbing system for the rapid on-demand delivery of hot water through the plumbing system to an ultimate point of use. The apparatus includes a diverter valve located in a hot water supply line upstream of the point of use. ...
02/20/2007
7179374Device for shear-thinning of solids containing material
The invention relates to a device to be used in connection with thickening and clarifying apparatuses for shear-thinning of solids containing material, such as slurry, which device contains one conduit for feeding material to be shear-thinnned and another conduit fo...
02/20/2007
7172689Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system
An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure...
02/06/2007
7146992Dishwasher pump and filtration system
A dishwasher includes a pump assembly which functions to chop all fluid entrained soil prior to directing fluid to upper and lower wash anms. A flow conduit leading to the upper wash arm is provided with a sampling port which directs a percentage of the fluid flow i...
12/12/2006
7124766Apparatus and use thereof in cleaning a respiratory device
A cleaning apparatus includes a tank housing and a partition disposed in the tank housing so as to divide the interior thereof into pumping and cleaning chambers as the only chambers within the tank housing adapted to contain cleaning liquid. A submersible pump moun...
10/24/2006
7091456Aircraft hot water supply system
An aircraft hot water supply system (10) comprising a group of water-use stations (14a–14f) each including a hot water line having a heater (40a–40f) which heats water at a heating rate dependent upo...
08/15/2006
7089955Recreational vehicle low temperature water supply warming system
The present recreational vehicle water warming and circulating system uses the heated water in the water heater to heat the on-board water supply when the outside air temperature drops below the freezing point of water. The system includes a holding tank for contain...
08/15/2006
7080654Method for transporting easily polymerizable liquid by pipeline
A method for transporting an easily polymerizable liquid by a pipeline having branches, wherein among pipelines branched at a branch point, one pipeline which may not be used over a long period of time, is provided with a valve to close the pipeline, within 500 mm f...
07/25/2006
7077149Fluid injection system
An apparatus for injecting a fluid into a closed pressurized system can be connected to a service port of the system. The fluid can be introduced into the system using the resting and operating pressures of the closed pressurized system. The system can be a climate ...
07/18/2006
7077155Hot water recirculating system
A hot water circulating system to provide instant hot water including a hot water source connected to one or more fixtures and a hot water return line from the fixture to the hot water source including a check valve and a continuous circulation pump in the return li...
07/18/2006
7036520Hot water heater recirculation system and method
A hot water recirculation system includes a source of hot water, a fixture, a fluid circuit, a fluid pump, and an electrical circuit sensor. The fixture is remote from the source of hot water and is configured to dispense hot water. The fluid circuit extends from th...
05/02/2006
7028489Over-pressurization protection system for cryogenic vessel
A dual purpose recirculation valve system for a cryogenic vessel includes a fill line, a delivery line assembly, a recirculation line and a recirculation valve. The cryogenic vessel defines a storage space and includes a pressure monitoring device structured to moni...
04/18/2006
7025234Apparatus and method for dispensing high-viscosity liquid
The present invention relates to apparatus and method for re-circulating high viscosity liquids. The apparatus comprises a recirculating probe coupled to a fluid storage and dispensing vessel by a connector, and the recirculating probe comprises: (a) a dip tube defi...
04/11/2006
7017606Primary-secondary pumping system
A primary-secondary pumping system for HVAC systems wherein the common pipe is configured so that there is at least a 4 ft pressure drop across the length of the common pipe and that all thermal plants see the same temperature of water entering the thermal plants an...
03/28/2006
6997200Water conservation system
The invention recirculates and/or recycles fluids normally lost down the drain during the time it takes for a desired temperature to be attained for usage of the hot fluids. A recirculating/recycling valve, through which hot fluids may flow, has an additional port f...
02/14/2006
6955185High volume dispense head with seal verification and low foam return line
A fluid dispensing system for use with a drum with a bung, and a drum insert that includes a downtube that inserts into the bung. A dispense head has provision for a return flow line that discharges recirculated fluid into the annular space around the drum insert do...
10/18/2005
6938638Gas circulating-processing apparatus
A gas-circulating processing apparatus which comprises a processing chamber, a gas feeding piping, a gas supply piping, a first exhaust mechanism discharging a gas from the processing chamber, a second exhaust mechanism discharging a portion of a gas discharged from...
09/06/2005
6921027Truck wash automatic chemical ratio proportioning
A chemical ratio proportioning apparatus (100, 200) intended primarily for use in a wash bay (10) of a vehicle wash system. A gantry (14) and spray wands (18) are used for washing a vehicle (12). A quantity of solvent such as water...
07/26/2005
6921023Self-contained water display
A self-contained water display. The water display includes a cylindrical fountain housing. The fountain housing contains at least one fountain nozzle extending vertically upwardly, and at least one pump adapted to supply water to the nozzle with sufficient volumetri...
07/26/2005
6920897Potable water circulation system
The present invention relates to systems for circulating water in a potable water piping network to prevent the stagnation of water in this piping network. Several systems are disclosed wherein partitioned pipes, pumps, partitioned headers, check valves, and scoop i...
07/26/2005
6918406Chemical supply apparatus
The present invention is directed to a chemical supply apparatus including a first tank in which at least two chemicals supplied from each supply bath are mixed, circulating means for circulating the chemicals in the first tank to uniformly mix the chemicals therein...
07/19/2005
6861033Purified water supply system for high demand devices and applications
A water supply sub-system for connection to a main water supply system includes a storage tank having an inlet with a flow control valve for connection to the main water supply system. The sub-system may be disconnected from the main system and configured as a close...
03/01/2005
6782907Gas recirculation flow control method and apparatus for use in vacuum system
A gas recirculation flow control method and apparatus for use in an evacuation system having a vacuum chamber into which a gas is introduced, a first vacuum pump for exhausting the gas from the vacuum chamber and reducing the pressure in the vacuum chamber to a desi...
08/31/2004
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