Patent · US Expired

Radiator cap

US4107493A · kind A · utility

8Cited by
11References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 1975
Grant dateAug 15, 1978
Priority date
Expiry dateMar 11, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/8342
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A radiator cap composed of a cap body, a compression gasket assembly connected to the cap body and adapted to open and close in accordance with the pressure of the coolant in the radiator, a float engaged with the cap body so as to move up and down in accordance with the level of the coolant. The upper edge of the float is formed so that upon contact with a gasket assembly, a valve is formed with said gasket assembly. A reed switch secured to the cap body is opened or closed in response to movement of the float so that the reed switch actuates suitable warning means when the level of coolant falls over a predetermined line.

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