Machine element or mechanism – Elements – Gear casings
Patent
1977-06-28
1980-11-11
Braun, Leslie
Machine element or mechanism
Elements
Gear casings
F16H 4704
Patent
active
042325684
ABSTRACT:
An output split-type mechanical and hydraulic transmission includes input, intermediate, and output shafts, differential gear mechanisms for establishing different input-output speed ratios, clutch mechanisms for selectively cooperating with components of the differential gear mechanisms and the input, intermediate, and output shafts to establish different input-output speed ratio ranges, and first and second hydraulic pump motors. The first pump motor has a variable hydraulic capacity and is mechanically and driveably connected to the input shaft for establishing variations in the hydraulic capacity. The second pump motor is mechanically connected to at least one component of the differential gear mechanisms for establishing rotational speeds of the components of the differential gear mechanisms during the different input-output speed ratio ranges in relationship to the variations o the first pump motor's hydraulic capacity. A first differential gear mechanism includes at least four elements, the first element being connected to the input shaft, the second element being connected to the second pump motor, and the third and fourth elements being selectively engageable with the intermediate shaft. A second differential gear mechanism includes at last three elements, the first element being connected to the input shaft, the second element being connected to the intermediate shaft, and the third element being connected to the output shaft.
REFERENCES:
patent: 3667321 (1972-06-01), Maurice
patent: 3714845 (1973-02-01), Mooney, Jr.
patent: 3722324 (1973-03-01), Cordner et al.
patent: 3783711 (1974-01-01), Orshansky, Jr.
patent: 3861240 (1975-01-01), Nolan et al.
patent: 3888139 (1975-06-01), Orshansky, Jr.
patent: 4008628 (1977-02-01), Orshansky, Jr.
Aisin Seiki Kabushiki Kaisha
Braun Leslie
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