Patent · US Expired

Pulse width modulated pressure source

US4590970A · kind A · utility

17Cited by
15References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 26, 1985
Grant dateMay 27, 1986
Priority date
Expiry dateJun 26, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86871
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A pulse width modulated pressure source wherein the path between a fixed pressure source and an output receiving port is interrupted periodically so that the receiving port receives a modulated pressure of a controlled value less than the predetermined pressure source.

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