Patent · US Expired

Pressure compensating device

US4896691A · kind A · utility

5Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 1988
Grant dateJan 30, 1990
Priority date
Expiry dateFeb 26, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7794
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

The present invention provides a pressure compensating device through which two separate fluid streams flow separated by a diaphragm. The flow of fluid on one side if the diaphragm is unimpeded while flow on the other side of the diaphragm is controlled as a result of movement of the diaphragm caused by pressure differentials.

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