Expansion valve and method for its control

Details Expansion valve and method for its control Expansion valve and method for its control

2011-03-29

2011-03-29

Jones, Melvin (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

Reexamination Certificate

active

07913502

ABSTRACT:
The invention relates to an expansion valve and a method for controlling an expansion valve, in which the opening and closing movement of the valve-closing element is adjusted as a function of the pressure difference which is present on the high-pressure side in an inlet opening and on the low-pressure side in an outlet opening.

REFERENCES:
patent: 2993341 (1961-07-01), Newton
patent: 3613391 (1971-10-01), Harter
patent: 7487647 (2009-02-01), Robin et al.
patent: 100 12 714 (2001-09-01), None
patent: 102 19 667 (2003-11-01), None

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