Patent · US Expired

Dwell relay

US4201245A · kind A · utility

0Cited by
3References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 4, 1976
Grant dateMay 6, 1980
Priority date—
Expiry dateNov 4, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86879
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A dwell relay is disclosed for providing a first output which increases from a first reference level to a second reference level in response to an increasing input and a second output which decreases from a third reference level to a fourth reference level in response to the increasing input, and wherein the increasing output and the decreasing output are separated by a dwell period. The first and fourth reference levels may be atmosphere and the second and third reference levels may be a supply pressure.

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