Expansible chamber devices – Displacement control of plural cylinders arranged in... – Parallel cylinders
Patent
1984-12-12
1989-05-09
Freeh, William L.
Expansible chamber devices
Displacement control of plural cylinders arranged in...
Parallel cylinders
91306, L01B 1304
Patent
active
048278335
ABSTRACT:
An adjustable axial piston pump in swash plate design is provided in which the piston support surface (swash plate) is formed in a semi-cylindrical rocker body, whose cylindrical surface is supported in a sliding manner in a hollow-cylindrical bearing box, in which case a pressure pocket recess is provided for hydrostatic relief of the bearing surface and it is connected with a pressure medium source, whereby this axial piston pump has one connection that is always a feed line connection and a second connection that is always a suction line connection and whereby the pressure pocket recess is located only the side of rocker body relative to the axis of rotation of the cylindrical drum on which the working pistons acted upon by feed pressure are supported.
REFERENCES:
patent: 3009422 (1961-11-01), Davis, Jr. et al.
patent: 3124008 (1964-03-01), Firth et al.
patent: 3631764 (1972-01-01), Lucien
patent: 3682044 (1972-08-01), Ankeny et al.
patent: 3779137 (1973-12-01), Koivunen
patent: 3868889 (1975-03-01), Bobier
patent: 4142452 (1979-03-01), Forster et al.
Freeh William L.
Linde Aktiengesellschaft
Shaffer Thomas R.
LandOfFree
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