Hermatic scroll type compressor with two casings and center bloc

Details Hermatic scroll type compressor with two casings and center bloc Hermatic scroll type compressor with two casings and center bloc

1989-01-13

1990-07-10

Vrablik, John J.

Pumps

Motor driven

Electric or magnetic motor

417902, 418 55, 291564R, 29464, 29469, 29888022, F04B 3504, F04C 1804, F04C 2900

Patent

active

049403966

ABSTRACT:
A hermetic type scroll compressor includes a hermetically sealed compressor housing formed by first and second cup shaped casings. The first casing houses a compression mechanism, while the second casing houses a drive mechanism. The compression mechanism includes a fixed scroll affixed to the first cup shaped casing, an orbiting scroll interfitted at an angular and radial offset with the fixed scroll, and a rotation preventing device disposed between the orbiting scroll and the center block. The movement of both the compression and driving mechanisms may be inspected or tested and those mechanisms may be readily disassembled so that component parts thereof may be adjusted or replaced before hermetically securing the first casing to the second casing. Furthermore, each casing is provided with a center block forming, in part, an alignment mechanism for aligning the drive mechanism drive shaft with the orbiting scroll of the compression mechanism.

REFERENCES:
patent: Re19961 (1936-05-01), Crane
patent: 801182 (1905-10-01), Creux
patent: 1156700 (1915-10-01), May
patent: 1934155 (1933-11-01), Van Deventer
patent: 3463091 (1969-08-01), Delsuc
patent: 4065279 (1977-12-01), McCullough
patent: 4201521 (1980-05-01), Carlson
patent: 4439118 (1984-03-01), Iimori
patent: 4466784 (1984-08-01), Hiraga
patent: 4560330 (1985-12-01), Murayama et al.
patent: 4609334 (1986-09-01), Muir et al.

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