Patent · US Expired

Pressure building circuit for a container for low temperature fluids

US4947651A · kind A · utility

11Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 1989
Grant dateAug 14, 1990
Priority date
Expiry dateApr 7, 2009

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF17C2227/0383
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A pressure building circuit for a double-walled tank containing a low temperature fluid, including a settling ring and an orifice between the tank outlet and the pressure building coil for maintaining a minimum pressure.

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