Rotary expansible chamber devices – Interengaging rotating members – Like rotary members
Patent
1974-08-15
1976-03-23
Gerin, Leonard H.
Rotary expansible chamber devices
Interengaging rotating members
Like rotary members
74414, F16H 106, F01C 118
Patent
active
039457796
ABSTRACT:
A gear pump wherein the trunnions of two or more mating gears are mounted directly in ring-shaped bearing members or in bearing sleeves which are fitted into the bearing members. The deformation of those surfaces of bearing members which are immediately adjacent to the end faces of the corresponding gears is prevented by enlarging the bores of the bearing members in close proximity to the end faces of the gears, by forming the internal surfaces of the bearing members with circumferentially complete or arcuate grooves, or by reducing the outer diameters of bearing sleeves in immediate proximity to the end faces of the gears. This insures that the deformation of bearing members in response to transmission of forces by the respective trunnions is not propagated all the way to those surfaces of the bearing members which are immediately adjacent to the end faces of the gears.
REFERENCES:
patent: 3270680 (1966-09-01), Rich
patent: 3574492 (1971-04-01), Schwary
patent: 3778202 (1973-12-01), Lindsay et al.
Dworak Wilhelm
Vlemmings Jan
Gerin Leonard H.
Robert & Bosch GmbH
Striker Michael J.
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