Patent · US Expired

Valve assembly

US6439264B1 · kind B1 · utility

28Cited by
43References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 16, 2001
Grant dateAug 27, 2002
Priority date
Expiry dateOct 16, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87241
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A valve assembly for a patient support having a mattress including a bladder comprises an interior housing formed to include a supply chamber, an exhaust chamber, a plenum, and an exterior housing surrounding the interior housing. A supply valve and an exhaust valve are located in the interior housing and connect the supply chamber and the exhaust chamber, respectively, to the plenum. A supply solenoid and an exhaust solenoid are coupled to the interior housing and covered by the exterior housing. The supply solenoid and the exhaust solenoid are coupled to the supply and exhaust valves respectively.

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