Heat pump system

Details Heat pump system Heat pump system

1986-06-10

1987-06-09

King, Lloyd L.

Refrigeration

Automatic control

Refrigeration producer

621963, 62197, 62278, F25B 4100, F25B 4900

Patent

active

046710752

ABSTRACT:
A heat pump system in which a by-passing passage is provided for connecting a high pressure segment of a primary refrigerant passage with a low pressure segment of the primary refrigerant passage, a secondary pressure reduction means is disposed in the by-passing passage to produce two phases of the refrigerant (gas-liquid state) and the pressure of the refrigerant is continuously detected by sensing saturated temperatures of the two phases both upstream and downstream of the secondary pressure reduction means for controlling the operation of the system.

REFERENCES:
patent: 3371500 (1968-03-01), Marcus, Jr.
patent: 3807192 (1974-04-01), Porter
patent: 4326868 (1982-04-01), Ozu et al.
patent: 4499739 (1985-02-01), Matsuoka et al.

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