Hydraulic machine of the multicylinder drum type

Details Hydraulic machine of the multicylinder drum type Hydraulic machine of the multicylinder drum type

1979-06-04

1981-03-03

Freeh, William L.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Cylinders parallel to rotation axis

F01G 1302

Patent

active

042533813

ABSTRACT:
A multicylinder hydraulic machine of the split-shaft kind comprises a rotatable shaft and a drive plate fixed on the shaft and linked to piston and rod units received in the cylinders of the drum. Liquid flow is through orifices in a distribution plate non-rotatably positioned around the shaft, through ducts in the drive plate and through the piston and rod units which are hollow. The shaft is rotatably mounted and axially located by conical bearings. The distribution plate is mounted in an axially floating manner and a hydraulic abutment is developed between the distribution plate and the drive plate during operation of the machine so as to reduce the force on the shaft bearings.

REFERENCES:
patent: 2397314 (1946-03-01), Grosser
patent: 3108543 (1963-10-01), Gregor
patent: 3168009 (1965-02-01), Orao
patent: 3556683 (1971-01-01), Schott et al.
patent: 3682046 (1972-08-01), Garcea et al.
patent: 3722372 (1973-03-01), Freese
patent: 3796137 (1974-03-01), Thoma
patent: 4075933 (1978-02-01), Stephens

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