Self-energizing synchronizer with force limiting

Details Self-energizing synchronizer with force limiting Self-energizing synchronizer with force limiting

1990-12-24

1992-01-07

Lorence, Richard

192 clutches and power-stop control

Clutches

Progressive engagement

192 53F, F16D 2306

Patent

active

050782452

ABSTRACT:
A pin-type, double-acting synchronizer mechanism (22) includes friction clutches (24,36 and 26,38), jaw clutches (28,14b,16b), self-energizing ramps, (13f,13g,13h,13i and 29e,29f,29g,29h), and springs (33) to limit the maximum self-energizing or additive force provided by the ramps. The ramps act between a shaft (12) and jaw clutch (28). A shift flange (32) is rotatably fixed to the jaw clutch (28) by splines which allow relative axial movement against the force of the springs (33). The jaw clutch (28) and the shaft (12) include mating splines (29,13) divided into spline portions (29a,29b,29c,29d and 13a,13b,13c,13d,13e) to define the ramps to control limited relative rotation between the jaw clutch (28) and shaft (12), and to provide surface area and structural strength for transmitting full torque to the shaft and gears.

REFERENCES:
patent: 2410511 (1946-11-01), Letsinger et al.
patent: 2896760 (1959-07-01), Hebbinghaus
patent: 2978083 (1961-04-01), Henyon
patent: 3221851 (1965-12-01), Vandervoort
patent: 3548983 (1970-12-01), Hiraiwa
patent: 3804218 (1974-04-01), Krutashov
patent: 3910390 (1975-10-01), Eichinger
patent: 4018319 (1977-04-01), Thomas
patent: 4413715 (1983-11-01), Michael et al.
patent: 4836348 (1989-06-01), Knodel et al.
patent: 4869353 (1989-09-01), Ohtsuki et al.

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