Displacement pump, especially cell pump, for compressing gaseous

Details Displacement pump, especially cell pump, for compressing gaseous Displacement pump, especially cell pump, for compressing gaseous

1975-07-07

1978-03-21

Freeh, William L.

Rotary expansible chamber devices

With wear surface treatment or integrally plated wear layer

418 81, F04C 2900

Patent

active

040801225

ABSTRACT:
A displacement pump, especially cell pump for high speeds, for compressing gaseous media, which includes a housing in which a rotatable body is journaled having slides radially movably guided therein. The bearings for the rotatable body are radially guiding loose bearings with oil lubrication. Between the bearings for the rotatable body and in the rotatable body there are provided radially slidable discs with spiral grooves. The slides and the housing and/or a cylinder inserted into said housing are made of steel, and the inner wall surface of the housing or of the cylinder forms a smooth sliding surface for the slides.

REFERENCES:
patent: 845114 (1907-02-01), Palmer
patent: 1676103 (1928-07-01), Mason
patent: 2312655 (1943-03-01), Lauck
patent: 3191503 (1965-06-01), Fuehrer
patent: 3552895 (1971-01-01), Bayley
patent: 3705818 (1972-12-01), Grosseau

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