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Class Information
Number: 417/292
Name: Pumps > With condition responsive pumped fluid control > Pumped fluid temperature responsive
Description: Apparatus where the condition or change in condition is the temperature of the pump or pumped fluid.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7559750 Overheating protection apparatus of scroll compressor Jul. 14, 2009
7503755 Baffle plate assembly for a compressor Mar. 17, 2009
7476089 Scroll compressor having overheat preventing unit Jan. 13, 2009
7043412 Method and apparatus for predicting vehicle air system performance and recommending air system components May. 9, 2006
6887046 Coolant pump, mainly for automotive use May. 3, 2005
6709244 Diagnostic system for a compressor Mar. 23, 2004
6685441 Scroll compressor Feb. 3, 2004
6663352 Method and apparatus for dynamically determining vapor pressure in pumping systems Dec. 16, 2003
6651441 Fluid flow system for a gas turbine engine Nov. 25, 2003
6648609 Pump as a pressure source for supercritical fluid chromatography involving pressure regulators and a precision orifice Nov. 18, 2003
6644934 Aftercooler bypass means for a locomotive compressed air system Nov. 11, 2003
6540484 Scroll compressor with thermostat mounted in non-orbiting scroll Apr. 1, 2003
6499963 Coolant pump for automotive use Dec. 31, 2002
6457948 Diagnostic system for a compressor Oct. 1, 2002
6454538 Motor protector in pocket on non-orbiting scroll and routing of wires thereto Sep. 24, 2002
6427663 Inlet throttle pump assembly for diesel engine and method Aug. 6, 2002
6379122 System and method for automatic thermal protection of a fluid compressing system Apr. 30, 2002
6309193 Coolant pump for automotive use Oct. 30, 2001
6302654 Compressor with control and protection system Oct. 16, 2001
6283725 Aftercooler bypass means for a locomotive compressed air system Sep. 4, 2001
6273686 Apparatus and method for controlling a rated system pressure Aug. 14, 2001
6267565 Scroll temperature protection Jul. 31, 2001
6253029 Vacuum processing apparatus Jun. 26, 2001
6244834 Variable capacity-type scroll compressor Jun. 12, 2001
6036449 Air compressor control Mar. 14, 2000
5950443 Compressor minimum capacity control Sep. 14, 1999
5879139 Vacuum pump with gas heating Mar. 9, 1999
5775883 Rolling-piston expander apparatus Jul. 7, 1998
5713726 Pump apparatus Feb. 3, 1998
5707210 Scroll machine with overheating protection Jan. 13, 1998
5690475 Scroll compressor with overload protection Nov. 25, 1997
5655892 Thermally actuated fuel pump vapor vent valve Aug. 12, 1997
5603344 Apparatus for recovering and saving chilled water in hot water lines having adjustable thermostatic control Feb. 18, 1997
5527158 Scroll machine with overheating protection Jun. 18, 1996
5366352 Thermostatic compressor suction inlet duct valve Nov. 22, 1994
5318151 Method and apparatus for regulating a compressor lubrication system Jun. 7, 1994
5290154 Scroll compressor reverse phase and high discharge temperature protection Mar. 1, 1994
5277028 Hydraulic flow control with temperature sensitive spring biased bypass valve Jan. 11, 1994
5263456 Fuel flow arrangement Nov. 23, 1993
5248244 Scroll compressor with a thermally responsive bypass valve Sep. 28, 1993
5199854 Hydraulic supply arrangement for use with active automotive suspension or the like Apr. 6, 1993
5186613 Reverse phase and high discharge temperature protection in a scroll compressor Feb. 16, 1993
5167491 High to low side bypass to prevent reverse rotation Dec. 1, 1992
5141407 Scroll machine with overheating protection Aug. 25, 1992
5139393 Thermal relief valve Aug. 18, 1992
5127576 Vehicle passenger compartment temperature control system with P.I.D. control of heater servo-valve Jul. 7, 1992
5082427 Screw compressing apparatus, rotor temperature control apparatus for screw compressing apparatus and operating control apparatus for screw compressing apparatus Jan. 21, 1992
5018665 Thermal relief valve May. 28, 1991
4974427 Compressor system with demand cooling Dec. 4, 1990
4971525 Hydraulic pump for hydraulically driven fan system Nov. 20, 1990

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