Title: Vehicle transmission with multiple torque convertors

Abstract: The invention described in this specification relates to a hydrodynamic torque converter transmission of the type including two or more torque converter units connected in parallel between the input and output shafts and provided with means for interrupting the torque transfer through one or more of said units. One or more torque converters in the transmission is or are arranged with one bladed component thereof such as the pump or turbine blades selectively releasable from or engageable with an input shaft or an output shaft respectively whereby different driving conditions are obtained by engaging and disengaging the drive through different torque converters.

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Inventors: Ahlen, Karl Gustav (Stockholm, SW)

Application Number: 412638
Filing Date: 1973-11-05
Publication_date: 1976-03-16
Assignee: S.R.M. Hydromekanik Aktiebolag (SW)
Primary Class(es): 192/3.25 60/363, 74/718, 74/732.1, 192/3.26, 192/3.27, 475/33
Other Classes:
US Patent Ref:

2063471	Dec, 1936	Stedefeld	192/3.
2213349	Sep, 1940	Siebold	192/3.
3270587	Sep, 1966	Geray	74/718.
3377876	Apr, 1968	Finke et al.	74/718.
3463033	Aug, 1969	Fisher	192/3.
3839864	Oct, 1974	Ahlen	60/349.

Other Refs:
Primary Examiner: Wyche, Benjamin W.
Assistant Examiner:
Attorney: Larson, Taylor and Hinds