Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 236/23
Name: Automatic temperature and humidity regulation > Closed fluid heaters > Combined thermostat and flow controlled > One valve
Description: Devices in which the heating means, usually a gas-burner, is controlled by the combined action of a thermostat in the fluid heated and a flow-motor operated by the flow of the fluid heated, the thermostat and motor controlling the movement of a single control-valve.

Patents under this class:

Patent Number Title Of Patent Date Issued
5092519 Control system for water heaters Mar. 3, 1992
4880157 Capacity control for integrated furnace Nov. 14, 1989
4738395 Fluid flow rate detector and system Apr. 19, 1988
4497434 Detector of the flowing of a fluid in a pipe and energy saving device for a hot water system using this detector Feb. 5, 1985
4304249 Control units Dec. 8, 1981
4184457 Water flow responsive control for a liquid heater Jan. 22, 1980

  Recently Added Patents
Plants and seeds of hybrid corn variety CH979678
Receiver with feedback continuous-time delta-sigma modulator with current-mode input
Direct file transfer between subscribers of a communications systems
Data storage device and block selection method for a flash memory
System and method for computational unification of heterogeneous implicit and explicit processing elements
Integrated projector system
  Randomly Featured Patents
Data model optimization
Magnetic pendant necklace set and manufacture
Process for extraction of water mixed with a liquid fluid
Method and apparatus for fabrication of cobalt alloy composite inserts
Moisture detector for a water control unit
Operator for insulated glass accessory
Method for avoiding point rows for quadrilateral fields using autoguidance
Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
Plurality of baseballs each having different colored indicia for training baseball batters and a method for use
Portable precision guide for powered hand tools