F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
62/143, 236/7
F16K 39/02 (2006.01) B60H 1/00 (2006.01) F25B 41/04 (2006.01) F25B 41/06 (2006.01) G05D 23/12 (2006.01)
Patent
CA 1087412
ABSTRACT OF THE DISCLOSURE In all forms the expansion valve regulates the flow in accordance with the pressure in the diaphragm head chamber as affected by the sensed temperature. To prevent excessive inlet pressure a plug valve operated by a piston modulates the flow which reduces the flow through the system and thus reduces the output of the compressor causing the high side pressure to drop. The piston is exposed to the inlet (high side) pressure and to the outlet (evaporator) pressure (which remains relatively constant) or to a substantially fixed pressure.
270000
Macrae & Co.
Singer Company (the)
LandOfFree
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