Patent · US Active

Controller and method for compressor, compressor assembly and refrigeration system

US11486621B2 · kind B2 · utility

0Cited by
16References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 2018
Grant dateNov 1, 2022
Priority date
Expiry dateMay 6, 2039

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B2700/21152
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

Embodiments of the disclosure provide a controller for a compressor and a control method, a compressor assembly, and a refrigeration system, which improve control efficiency and reliability. The controller includes an obtaining module configured to obtain at least one operation state parameter of the compressor, and a controlling module configured to shut off a liquid injection valve if one of the at least one operation state parameter of the compressor meets a protection action condition, wherein the liquid injection valve is configured to regulate flow of fluid injected into the compressor.

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