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Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F25
REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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F25B
REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
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41/00
Fluid-circulation arrangements
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F25B41/30
Expansion means; Dispositions thereof
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F25B41/31
Expansion valves
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F25B41/33
with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant
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F25B41/335
via diaphragms
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