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Class Information
Number: 137/114
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Plural inflows > One inflow supplements another
Description: Systems in which one inflow is added to or supplements the second flow and is in response to a sensed condition change such as reduction in pressure or flow in the second inflow or in the combined flow or in the level of accumulated fluid derived from the second or combined flow.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8672235 Device and method for the thermal fogging of a liquid Mar. 18, 2014
8646475 Dosing pump unit Feb. 11, 2014
8511095 Flow discharge device Aug. 20, 2013
8507138 Ejector for fuel cell system Aug. 13, 2013
8453668 Vacuum relief valve Jun. 4, 2013
8443826 Demand valve for gas mixing May. 21, 2013
8387710 Downhole fluid recirculation valve and method for recirculating fluid in a well Mar. 5, 2013
8281796 Slurry catalyst flow splitters and methods of using the same Oct. 9, 2012
8210196 Vacuum control system and vacuum control method Jul. 3, 2012
8171951 Valve with an AND-function May. 8, 2012
8157132 Fuel and oil mixing device Apr. 17, 2012
7980264 Slurry catalyst flow splitters and methods of using the same Jul. 19, 2011
RE41761 Gray-water recycling system Sep. 28, 2010
7687171 Multi-stage in-line cartridge ejector for fuel cell system Mar. 30, 2010
7550219 Fuel supply apparatus for fuel cell Jun. 23, 2009
7475701 Valve systems and injector system including such valve systems Jan. 13, 2009
7415820 Hybrid powertrain with valve assembly for dual pumps Aug. 26, 2008
7291194 Intermittent mixer with low pressure drop Nov. 6, 2007
7288128 Intermittent mixer with low pressure drop Oct. 30, 2007
7284565 Fluid flow regulator for swimming pool cleaning system Oct. 23, 2007
7270141 Methods and systems for controlling viscosity in real time Sep. 18, 2007
7216681 Gravity feed ball-in-seat valve with extension unit for dosing fuel additives May. 15, 2007
7195028 Self-contained oxygen generator Mar. 27, 2007
7185669 Proportioner Mar. 6, 2007
7175932 Fuel cell system Feb. 13, 2007
7032609 Vacuum feed system for liquid chemical feeding Apr. 25, 2006
6935357 Fluid supply failure protection valve Aug. 30, 2005
6935813 Control mechanism, an installation and a method for transporting bulk material, granular material or powdery material through a conveyor line Aug. 30, 2005
6837047 Hydraulic devices for smooth operations of hydrostatic transmission Jan. 4, 2005
6763846 Fluid distribution device Jul. 20, 2004
6706438 Fluid supply device for fuel cell Mar. 16, 2004
6601602 Pressure-control valve Aug. 5, 2003
6591863 Adjustable pool safety valve Jul. 15, 2003
6583525 Viscosity regulating valve Jun. 24, 2003
6484743 Flow control assembly Nov. 26, 2002
6355160 Gray-water recycling system Mar. 12, 2002
6349738 Apparatus for separating particles from a fluid flow and a valve for introducing bled fluid to a mainstream fluid Feb. 26, 2002
6321772 Vacuum pressure-adjusting apparatus Nov. 27, 2001
6314983 Flow controller for a pool cleaner Nov. 13, 2001
6308724 Low capacity chlorine gas feed system Oct. 30, 2001
6289918 Automatic locking bypass valve for liquid suction systems Sep. 18, 2001
6263900 Low capacity chlorine gas feed system Jul. 24, 2001
6250894 Load sharing valve and system for operating centrifugal pumps in parallel Jun. 26, 2001
6145309 Method for controlling the steering volume flow of a hydraulic power-assisted steering unit for motor vehicles Nov. 14, 2000
6142163 Method and apparatus for pressure control in vacuum processors Nov. 7, 2000
6109288 Flow control apparatus Aug. 29, 2000
6105598 Low capacity chlorine gas feed system Aug. 22, 2000
6092364 Gas motor Jul. 25, 2000
6009894 Airflow rate regulating device Jan. 4, 2000
6006775 Fuel dispensing system using a common meter and octane sensing Dec. 28, 1999

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