×

Refrigerant flow rate control based on liquid level in simple vapor compression refrigeration cycles

  • US 5,435,145 A
  • Filed: 03/03/1994
  • Issued: 07/25/1995
  • Est. Priority Date: 03/03/1994
  • Status: Expired due to Fees
First Claim
Patent Images

1. A refrigeration system comprising:

  • a compressor, a condenser, a phase separator, a pulse width modulated solenoid valve, and an evaporator all connected in a closed series loop;

    a liquid level switch disposed in said phase separator; and

    a controller for controlling the duty cycle of said pulse width modulated solenoid valve, said controller having an input connected to said liquid level switch.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×