Method and control system for limiting the load placed on a refr

Details Method and control system for limiting the load placed on a refr Method and control system for limiting the load placed on a refr

1984-05-14

1985-08-20

Tanner, Harry

Refrigeration

Automatic control

Refrigeration producer

62217, 622285, F25D 1702

Patent

active

045356076

ABSTRACT:
A method and control system are disclosed for minimizing the number of recycle starts of a compressor in a refrigeration system to thereby reduce wear and tear on the mechanical and electrical systems of the refrigeration system thereby prolonging the operating life and improving the reliability of the refrigeration system. By limiting the load placed on the refrigeration system upon a recycle start the rate at which the refrigeration system satisfies the load is significantly reduced compared to a normal, relatively fast rate of satisfying the actual load which usually occurs when the capacity of the compressor is controlled directly in response to the actual load placed on the refrigeration system. This prevents the refrigeration system from quickly satisfying a new, increased load placed on the refrigeration system upon a recycle start which will then require a relatively quick shutdown of the refrigeration system compressor due to excess cooling capacity and require a relatively quick subsequent recycle start of the compressor. In this manner, the number of recycle starts is minimized.

REFERENCES:
patent: 3890798 (1975-06-01), Fujimoto et al.
patent: 3964676 (1976-06-01), Rooks et al.
patent: 4152902 (1979-05-01), Lush
patent: 4267704 (1981-05-01), Yapp
patent: 4270361 (1981-06-01), LaBarge
patent: 4381650 (1983-05-01), Mount
patent: 4399663 (1983-08-01), Hesler
patent: 4404811 (1983-09-01), Mount et al.

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