pump and motor being of the same type

Introduced: September 1968

Last revised: January 2006

Full Title

Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution > with liquid motor and pump combined in one unit > pump and motor being of the same type

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
Subclass:: GEARING

5 direct subcodes

Child Classifications

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F16H 39/08 each with one main shaft and provided with pistons reciprocating in cylinders
F16H 39/22 with liquid chambers shaped as bodies of revolution concentric with the main axis of the gearing
F16H 39/26 with liquid chambers not shaped as bodies of revolution or shaped as bodies of revolution eccentric to the main axis of the gearing
F16H 39/34 in which a rotor on one shaft co-operates with a rotor on another shaft
F16H 39/4 Hydraulic differential gearings, e.g. having a rotary input housing with interconnected liquid chambers for both outputs