Synchromesh transmission suited for use as an automotive automatic transmission

Patent · Tue Apr 25 04:00:00 EDT 1989

OSTI ID:5765234

Hiraiwa, K

A transmission is described, comprising: an input shaft operatively connected with a source of rotational energy; a first intermediate shaft rotatably disposed about the input shaft; first clutch means for selectively providing a drive connection between the input shaft and the first intermediate shaft; a second intermediate shaft rotatably disposed about the input shaft; second clutch means for selectively providing a drive connection between the input shaft and the second intermediate shaft; an output shaft; a first input gear located between the first and second intermediate shafts and arranged to rotatable with respect to the input shaft; a first output gear on the output shat, the first output gear being arranged to be in constant means with the first input gear; a first group of intermeshing input and output gears; comprising a second group of intermeshihg input and output gears; and synchronizer means for selectively connecting input and output gears with the input shaft, the first and second intermediate shafts and the output shafts in a manner for selectively producing a predetermined number of speed change ratios between the input and output shafts.

• Assignee: Nissan Motor Co., Ltd.
• Patent Number(s): US 4823628
• OSTI ID: 5765234
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330602* -- Vehicle Design Factors-- Engine-Transmission Matching
AUTOMATION
CONTROL EQUIPMENT
DESIGN
EQUIPMENT
GEARS
MACHINE PARTS
MECHANICAL TRANSMISSIONS
OPERATION
SHAFTS
SYNCHRONIZATION