Patent · US Expired

Thermostat interface for a refrigeration system controller

US5039009A · kind A · utility

62Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 16, 1990
Grant dateAug 13, 1991
Priority date
Expiry dateJul 16, 2010

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B2400/075
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

An interface for use between a thermostat and a controller for an HVAC system comprising: means for receiving a plurality of parallel commands from a thermostat where each command represents one of two possible states; means for coverting each of the plurality of parallel commands into a plurality of predetermined values; means for combining the predetermined values in a predetermined manner; and means for transmitting the combined predetermined values to the controller.

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