Variable capacity swash plate type compressor

Details Variable capacity swash plate type compressor Variable capacity swash plate type compressor

1992-02-26

1992-12-29

Smith, Leonard E.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

92 71, 92159, 92160, 92162P, 417269, F04B 128, F04B 2104

Patent

active

051747286

ABSTRACT:
A variable capacity swash plate type refrigerant compressor having a plurality of pistons each including a cylindrical hollow main body reciprocated in a cylinder bore of a cylinder block, and an engaging portion engaged with a swash plate. The cylindrical hollow main body of the piston is provided with at least one first through-bore for providing a communication between the interior of the main body and the cylinder bore, and at least one second through-bore for providing a communication between the interior of the piston main body and a crank chamber of the compressor to thus enable the piston to have a thin and light weight wall construction, and to have a sufficient durability against large pressure changes applied to the piston.

REFERENCES:
patent: 1231615 (1917-07-01), Jones
patent: 1517386 (1924-12-01), Almen
patent: 2048272 (1936-07-01), Linthicum
patent: 2570843 (1951-10-01), Orshansky, Jr.
patent: 2722889 (1955-11-01), Wailmark
patent: 3035879 (1962-05-01), Hanny et al.
patent: 3165892 (1965-01-01), Roberts
patent: 4664604 (1987-05-01), Terauchi

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