Transmission for a commercial vehicle with a main group and...

Details Transmission for a commercial vehicle with a main group and... Transmission for a commercial vehicle with a main group and...

2011-01-11

2011-01-11

Estremsky, Sherry L (Department: 3655)

Machine element or mechanism

Gearing

In series plural interchangeably locked nonplanetary units

C074S329000, C074S331000

Reexamination Certificate

active

07866232

ABSTRACT:
In a commercial vehicle transmission with a main group and a downstream group including a downstream group countershaft, the downstream group includes means for decoupling the downstream group countershaft in direct through drive so that in direct through-drive the countershaft does not run in an oil sump and no churning losses occur thereby increasing vehicle transmission efficiency.

REFERENCES:
patent: RE31296 (1983-07-01), Richards
patent: 4856375 (1989-08-01), Beim
patent: 5381703 (1995-01-01), Rankin
patent: 6105449 (2000-08-01), Genise et al.
patent: 6250172 (2001-06-01), Pigozzi et al.
patent: 6439082 (2002-08-01), Onuki
patent: 102 39 396 (2004-03-01), None
patent: 10 2005 032 224 (2007-03-01), None
patent: 0 882 908 (1998-12-01), None
Lechner, “Fahrzeugetriebe”, Springer Verlag, 1994, p. 157.

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