Interengaging gear machine with compensating force on bearing members

US4124335A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Claus Jons
• Erich Schonherr · Leonberg, DE
• Gunter Wolff · Ulm, DE

Key dates

• Filing date: Mar 8, 1977
• Grant date: Nov 7, 1978
• Expiry date: Mar 8, 1997

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F04C15/0042
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A pair of mating gears are mounted for rotation about respective axes in a gear-type fluid displacing pump or motor. Each gear has a pair of shaft portions at opposite axial ends of the respective gear, and bearing members surround respective ones of the shaft portions for journalling the gears. Each bearing member of one of the gears is juxtaposed with a respective bearing member of the other of said gears and, during rotation of the gears, the juxtaposed bearing members are subjected to forces which urge the bearing members to move relative to each other, particularly in direction towards each other. An arrangement is provided to counteract such forces and to oppose such relative movement of the juxtaposed bearing members.