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Class Information
Number: 236/98
Name: Automatic temperature and humidity regulation > Thermostatic > Fluid transmission
Description: Devices operated by a thermostat in which a fluid is used to transmit the movement of the thermostatic element to the element controlled.

Patents under this class:

Patent Number Title Of Patent Date Issued
7953520 Cooling fan controller for controlling revolving fan based on fluid temperature and air temperature May. 31, 2011
7854391 Flow regulating articles and methods of manufacture Dec. 21, 2010
4187684 Thermally responsive power elements with multiple vapor/gas filled capsules and hydraulic fluid transmissions Feb. 12, 1980
4126993 Hydraulic system for an earth-moving machine and a temperature-controlled valve for a hydraulic system Nov. 28, 1978
4016851 Safety control method and device for limiting the temperature of a fluid to a given upper value Apr. 12, 1977
3999708 Freeze element for A/C throttling valve Dec. 28, 1976
3977207 Freeze throttling valve Aug. 31, 1976

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