Patent · US Expired

Liquid cryogen delivery system

US4296610A · kind A · utility

29Cited by
12References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 17, 1980
Grant dateOct 27, 1981
Priority date
Expiry dateApr 17, 2000

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF17C2260/024
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

Apparatus and process for delivering small controlled quantities of a liquid cryogen to a use point in an intermittent manner comprising an off-period in which no liquid is desired at the use point and followed by an on-period in which liquid is delivered to the use point essentially free of vapor.

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