Two speed accessory transmission with optional neutral mode

Patent · Tue Nov 17 04:00:00 EST 1987

OSTI ID:5897398

Sivalingam, R

An underdrive accessory transmission associated with an engine is described comprising: a planetary gear set comprising a sun gear having an integrally formed shaft planet gears positioned about and drivingly engaging the sun gear, a planet gear carrier, and a ring gear positioned about and drivingly engaging the planet gears, wherein the ring gear provides rotational input to the transmission from the engine; a fixed cover for the transmission; cone clutch slidably affixed on the shaft of the sun gear and being capable of axial movement along the shaft; means for sliding the cone clutch axially along the shaft of the sun gear; an output shaft, the planet gear carrier being affixed about the output shaft; and a one way clutch and support bearing being positioned between the sun gear and the output shaft. The clutch allows the output shaft to rotate only in the direction of engine rotation, wherein the cone clutch provides a direct drive from the engine to the output shaft when it is engaged with the ring gear, the cone clutch provides a neutral mode of operation when it is disengaged from both the ring gear and the transmission cover, and the cone clutch provides an underdrive to the output shaft when it is engaged with the cover.

• Assignee: Mirram Drive Inc., Mississauga
• Patent Number(s): US 4706520
• OSTI ID: 5897398
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
BEARINGS
CONTROL EQUIPMENT
DESIGN
ENGINES
EQUIPMENT
GEARS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINE PARTS
MECHANICAL TRANSMISSIONS
OPERATION