Method of producing scroll type compressor

Details Method of producing scroll type compressor Method of producing scroll type compressor

1983-05-25

1985-11-05

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291568R, 29DIG4, 29DIG26, 228135, 228170, 228174, 228182, 418 55, B23P 1500

Patent

active

045504806

ABSTRACT:
An improved method of producing a scroll type compressor having an orbital scroll member and a stationary scroll member. The orbital scroll member is fabricated by a process comprising the steps of: forming an end plate and a spiral wrap separately, the end plate being composed of an upper half part having a discontinuous joining portion for joining the spiral wrap and a lower half part having an oil passage. The upper half part and the lower half part of the end plate are fixed to each other through mutual engagement between locating projections formed by a plastic work on one of the half parts and mating holes formed in the other of the half parts. The stationary scroll member is produced by a process similar to the process used in fabricating the orbital scroll, comprising the steps of: forming an end plate and a spiral wrap separately, the end plate being punched from a sheet blank; forming a discontinuous joining portion on one side of the end plate; joining the spiral wrap to the end plate at the discontinuous joining portion; joining the end plate to one end of a sleeve; and joining a flange to the other end of the sleeve. The discontinuous joining portion may be constituted by a plurality of projections formed to project from the surface of the end plate, or may include a plurality of grooves or recesses formed in the surface of the end plate and projections formed on the end surface of the wrap at positions corresponding to the grooves or recesses.

REFERENCES:
patent: 1973591 (1934-09-01), Weber
patent: 2336791 (1943-12-01), La Barre
patent: 2385991 (1945-10-01), Huntoon
patent: 2940169 (1960-06-01), Barnes
patent: 3884599 (1975-05-01), Young et al.
patent: 3994635 (1976-11-01), McCullough
patent: 4180244 (1979-12-01), Rosenitsch
patent: 4365736 (1982-12-01), Stumm
patent: 4436495 (1984-03-01), McCullough

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