MACHINE A ROUES DENTEES

In a gear pump or motor, a housing (11, Fig.1) is constructed as a multi-wall extruded profile and has recesses which form pressure chambers (25, 26) disposed in two concentric regions around a driving mechanism chamber (20). The pressure chambers (25, 26) can be connected to one another or to the d...

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Bibliographic Details
Main Authors OLAF KLEMD, VOLKER HENRICHS
Format Patent
LanguageFrench
Published 29.12.2000
Edition6
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS
WEAPONS
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Summary:In a gear pump or motor, a housing (11, Fig.1) is constructed as a multi-wall extruded profile and has recesses which form pressure chambers (25, 26) disposed in two concentric regions around a driving mechanism chamber (20). The pressure chambers (25, 26) can be connected to one another or to the driving mechanism chamber (20), in a manner specific to the application, by junction ducts (37, Fig.3) in one of the end-face closing covers of the housing (11). Regulating valves (28) can be fastened, and made contact with hydraulically, in receiving bores (30) which provide a connection between a number of pressure medium chambers (25, 26). The gear pump or motor has particularly low operating noise.
Bibliography:Application Number: FR19980010386