Motors: expansible chamber type – Three or more cylinders arranged in parallel radial or... – Radially disposed cylinders
Patent
1973-12-26
1976-06-08
Freeh, William L.
Motors: expansible chamber type
Three or more cylinders arranged in parallel radial or...
Radially disposed cylinders
F01B 1306
Patent
active
039615626
ABSTRACT:
A multiple pump assembly consisting of a series of two or more coaxial pumps the first of which is invariably a radial piston pump. The shaft of the prime mover drives the first pump by way of an Oldham coupling and an extension of this shaft extends through an axial bore of the pintle in the first pump to drive the rotary element of the second pump as well as any further pump of the assembly. If the second pump is also a radial piston pump, the two pumps may but need not have a common pintle. The slide block of each radial piston pump can be adjusted to change the rate of delivery of pressurized fluid. The fluid admitting and evacuating channels in the pintle or pintles may be formed by an electrochemical process, or the entire pintle may constitute a casting. The housing for the multiple pump assembly may include a discrete annular section for each pump or a single annular section for all of the pumps and cover members at the axial ends of the single section.
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Aldinger Ulrich
Kersten Gunter
Knoblauch Rainer
Knodel Emil
Freeh William L.
Robert & Bosch GmbH
Striker Michael J.
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