Patent · US Expired

Outdoor ambient temperature determination

US4835715A · kind A · utility

4Cited by
10References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 1986
Grant dateMay 30, 1989
Priority date
Expiry dateDec 17, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05D23/1917
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An outdoor coil temperature detection scheme in a heat pump system effective for developing outdoor ambient temperature indications from outdoor coil temperature data, for use in heat pump control.

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