Method of forming an oil groove on the end surface of a rotor of

Details Method of forming an oil groove on the end surface of a rotor of Method of forming an oil groove on the end surface of a rotor of

1992-10-30

1993-11-30

Larson, Lowell A.

Metal deforming

Process

With temperature maintenance or modification

29888025, 418178, B21K 128

Patent

active

052654575

ABSTRACT:
An oil groove is formed on the end surface of a rotor of an aluminum alloy for a compressor of a vane type, in an economical manner by a method comprising forming the oil groove of a concave type on the end surface of the rotor slidably moving in contact with a side plate by warm-pressing a die stamp.

REFERENCES:
patent: 3469433 (1969-09-01), Fresch et al.
patent: 4384828 (1983-05-01), Rembold et al.
patent: 4689864 (1987-09-01), Fukuma et al.
patent: 4815953 (1989-03-01), Iio

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