Shift assisting device for marine propulsion unit

Details Shift assisting device for marine propulsion unit Shift assisting device for marine propulsion unit

1988-01-21

1989-07-04

Diehl, Dwight G.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74872, B60K 4104

Patent

active

048439142

ABSTRACT:
Several embodiments of shift assisting devices for marine propulsion units wherein the torque of the engine is reduced if there is resistance to shifting by reducing the amount of fuel supplied to the engine. Embodiments are depicted and described wherein this is done by throttling the intake charge or reducing the supply of fuel supplied by a fuel injection nozzle and the principle is applied to either spark ignited or diesel engines.

REFERENCES:
patent: 3667577 (1972-06-01), Weymann
patent: 3712156 (1973-01-01), Kuhnle
patent: 3814224 (1974-06-01), Podssuweit et al.
patent: 4226141 (1980-10-01), Espenschied
patent: 4403527 (1983-09-01), Mohl et al.
patent: 4531430 (1985-07-01), Holmes
patent: 4683778 (1987-08-01), Pfalzgraf

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