Hydrostatic/mechanical transmission system

Details Hydrostatic/mechanical transmission system Hydrostatic/mechanical transmission system

1984-09-10

1986-04-15

Staab, Lawrence J.

Machine element or mechanism

Power take-off

With independent change speed gearing

180 532, 74 158, B60K 2508, B60K 2502, F16H 3700

Patent

active

045819491

ABSTRACT:
A multi-speed transmission (4) driven by an engine (1) and is connected to drive an intermediate gearbox (16) that drives an axle drive (17). To obtain creep speed drive, a motor-dependent P.T.O. shaft (14) drives upon a variable displacement pump (18), which is connectable to a hydromotor (22) through pipes (20, 20A and 21, 21A). When the clutch (26) is connected and in the neutral position of the variable gear (2), the hydromotor (22) acts upon an output shaft of intermediate gear box (15) that in turn drives the axle drive (17). When changing to a garbage pressing operation in the stationary state of the vehicle, the variable displacement pump (18) is shifted by a change-over valve (28) to drive the pressing cylinder of the accessory hydraulic power system (30).

REFERENCES:
patent: 3241628 (1966-03-01), Thomas
patent: 3597998 (1971-08-01), Ebert
patent: 3779608 (1973-12-01), Hatcher et al.
patent: 3922931 (1975-12-01), Osujyo et al.
patent: 4132132 (1979-01-01), Shaffer
patent: 4271723 (1981-06-01), Shaffer
patent: 4416590 (1983-11-01), Colucci

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