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Class Information
Number: 137/805
Name: Fluid handling > Flow affected by fluid contact, energy field or coanda effect (e.g., pure fluid device or system) > Responsive to condition external of system > And causing change or correction of sensed condition
Description: Device or system wherein the signal or impulse activates said device or system or activates another mechanism for the purpose of varying the characteristic or state of the environment or for the purpose of restoring the characteristic or state of the environment to that which is desired.










Patents under this class:

Patent Number Title Of Patent Date Issued
7539560 Control valve and positioner diagnostics May. 26, 2009
7055541 Method and mechanism for producing suction and periodic excitation flow Jun. 6, 2006
6924733 Hose separation transmitter system and methods Aug. 2, 2005
6615856 Remote valving for microfluidic flow control Sep. 9, 2003
6546785 System and method for dynamic lubrication adjustment for a lubrication analysis system Apr. 15, 2003
5090442 Field repairable apparatus for use in filling containers to a predetermined level Feb. 25, 1992
5048557 Main valve and seat for use in filling containers to a predetermined level Sep. 17, 1991
4924912 Electrofluidic pin transducer with stable null setting May. 15, 1990
4854219 Optical control system Aug. 8, 1989
4852613 Fluidic pump control systems Aug. 1, 1989
4842162 Apparatus and method for dispensing fluid materials using position-dependent velocity feedback Jun. 27, 1989
4817863 Vortex valve flow controller in VAV systems Apr. 4, 1989
4712173 Multicontrol process control system Dec. 8, 1987
4687013 Flueric partial pressure sensor Aug. 18, 1987
4617970 Fluidic sensor of objects Oct. 21, 1986
4570675 Pneumatic signal multiplexer Feb. 18, 1986
4527593 Apparatus and system for filling one or more containers with a liquid to a predetermined level Jul. 9, 1985
4484601 Liquid level control device Nov. 27, 1984
4332041 Pressurized drain for toilet waste tank Jun. 1, 1982
4278110 Demand responsive flow controller Jul. 14, 1981
4211363 Fluidically-controlled air-conditioning system Jul. 8, 1980
4202517 Fluidic interface means May. 13, 1980
4202061 Lavatory wastewater disposal system for aircraft May. 13, 1980
4148334 Liquid level control sytem Apr. 10, 1979
4019697 Fluidic approach power compensator control system Apr. 26, 1977
3989187 Air-conditioning system apparatus Nov. 2, 1976
3986856 Blowing apparatus having individual control of nozzles Oct. 19, 1976
3985398 Fluidic antiskid circuit Oct. 12, 1976
3958412 Fluidic gas turbine fuel control May. 25, 1976
3946900 Automatic liquid dispensing system Mar. 30, 1976
3937398 Conditioned air distribution system Feb. 10, 1976











 
 
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