Patent · US Expired

Automatic fluid mixing valves

US4286749A · kind A · utility

9Cited by
8References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 27, 1979
Grant dateSep 1, 1981
Priority date
Expiry dateJul 27, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/2564
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An automatic fluid mixing valve comprises temperature sensing means provided in a body of the valve for automatically mixing high and low temperature fluids to provide a mixed fluid having a predetermined temperature, and pressure control means for controlling the pressure ratio of said low temperature fluid to the high temperature fluid at a predetermined value. The pressure control means serves to maintain a ratio of fluid flow of the low and high temperature fluids at a predetermined value thereby maintaining the temperature of the mixed fluid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.