Hydrostatic assembly having multiple pumps

Details Hydrostatic assembly having multiple pumps Hydrostatic assembly having multiple pumps

1993-07-09

1994-10-11

Gluck, Richard E.

Pumps

Diverse pumps

417269, F04B 112, F04B 2308

Patent

active

053541804

ABSTRACT:
A hydrostatic assembly including a primary pump formed by a swash plate type axial piston engine and at least one coaxial secondary pump formed by a swash plate type axial piston engine. An elongated input shaft extends through the primary pump and is non-rotatably connected to the cylindrical drum of the primary pump. A control base is axially aligned with the cylindrical drum of the primary pump and forms a control surface opposite the closed end of the cylindrical drum of the primary pump. A recess is formed in the control base and the secondary pump is at least partially located in the recess and is non-rotatably connected to the elongated input shaft so that the secondary pump drives the primary pump.

REFERENCES:
patent: 2715875 (1955-08-01), Towler et al.
patent: 3046907 (1962-07-01), Pechunder
patent: 3904318 (1975-09-01), Born et al.
patent: 4105369 (1978-08-01), McClocklin
Linde, The Energy Dimension, Apr. 1986.

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