Method of making a dual-shaft machine

Details Method of making a dual-shaft machine Method of making a dual-shaft machine

1989-12-28

1990-12-04

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

2988802, 29434, 418178, B23P 1500

Patent

active

049743180

ABSTRACT:
A dual-shaft machine comprising a housing, two pistons rotatably mounted in the housing leaving a cold play spacing between one another and said housing, and a coating provided on either the housing or the pistons, or both, to reduce the cold play spacing to that required by the intended field of use of the machine.

REFERENCES:
patent: 2754050 (1956-07-01), Wellington
patent: 2944732 (1960-07-01), Lorenz
patent: 3680990 (1972-08-01), Pettibone et al.
patent: 4490102 (1984-12-01), Carre et al.
patent: 4695233 (1987-09-01), Miyoshi et al.

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