Scroll compressor

Details Scroll compressor Scroll compressor

1984-03-26

1986-06-03

Freeh, William L.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

417372, 417902, 418 55, 310 57, F04B 3906, F04B 3902, H02K 908

Patent

active

045927030

ABSTRACT:
A scroll having flow passages constructed so as to provide improved lubricating properties while eliminating excessive consumption of oil. First flow paths have upper ends communicating with a motor chamber formed between the frame of the compressor and an upper portion of the electric motor which drives the compressor, and lower ends which open above an oil pool formed in the lower part of the housing of the compressor. The first flow paths extend in the axial direction of the compressor between the outer wall of the motor and the frame so that all or part of the gas which is sucked into the motor chamber can flow downwardly. Second axially extending flow paths are provided extending in the axial direction of the compressor between the frame and the shell with the gas passing through the first flow paths being caused to change its direction of flow near the lower end of the frame to flow upwardly. The lower ends of the second flow paths open above the oil pool and their upper ends communicate with the compression unit at the top of the housing.

REFERENCES:
patent: 2228364 (1941-01-01), Philipp
patent: 2283025 (1942-05-01), Wolfert
patent: 2678156 (1954-05-01), Henderson
patent: 4091638 (1978-05-01), Mitch
patent: 4115035 (1978-09-01), Tankred et al.

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