Patent · US Expired

Charge valve for an air conditioning system

US6719003B2 · kind B2 · utility

26Cited by
23References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 2001
Grant dateApr 13, 2004
Priority date
Expiry dateSep 19, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7931
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A service valve for a CO2 refrigerant based air conditioning system in a vehicle. The service valve includes a dynamic seal that is opened and closed during servicing of the air conditioning system. The dynamic seal provides for good overall sealing as well as good permeation resistance.

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