Transmission, in particular for a motor vehicle
AssigneeMercedes-Benz Group AG
InventorsBenno Bietz, Eugen Schwarzenberger, Ralph Burkart, Stefan Sprigade, Andreas Baer
Life of this patent
Estimating the term…
Abstract
A clutch chamber has a first outlet opening, which is arranged at an about 8 to 10 o'clock position, as viewed in the circumferential direction of the dual-clutch transmission, extending around the axial direction of the dual-clutch transmission, and is provided for direct return of the transmission oil into the transmission housing base area. Furthermore, the clutch chamber has a second outlet opening, which is arranged at an about 2 to 4 o'clock position, as viewed in the circumferential direction of the dual-clutch transmission, and is provided for a return flow of the transmission oil into the transmission housing base area.
Claims8
A transmission (10), comprising:
- a transmission housing (12);
- a clutch housing (14);
- a clutch device disposed at least inside the clutch housing (14) and having at least two clutches, wherein the at least two clutches include an inner clutch and an outer clutch, wherein a rotational body of the clutch device is enclosed by an outer plate carrier of the outer clutch, wherein clutch device is disposed in a spatial volume of a clutch chamber (18), and wherein the clutch chamber (18) at least partially encloses the outer plate carrier of the outer clutch and is axially delimited by a first cover;
- an electrohydraulic control unit;
- a wheel set space which comprises a transmission housing base area with an oil sump;
- a transmission oil reservoir, wherein a transmission oil for the transmission (10) is receivable in the transmission oil reservoir;
- and
- at least one oil pump, wherein the transmission oil is conveyable by the at least one oil pump from the oil sump to the electrohydraulic control unit;
- wherein the clutch chamber (18) has:
- a first outlet opening (22) which is arranged at an 8 to 10 o'clock position, as viewed in a circumferential direction (24) of the transmission (10), and is provided for direct return of the transmission oil into the transmission housing base area;
- and
- a second outlet opening (26) which is arranged at a 2 to 4 o'clock position, as viewed in the circumferential direction (24) of the transmission (10), and is provided for a return flow of the transmission oil into the transmission housing base area;
- wherein the clutch chamber (18) has an elliptical outer contour (28, 30) in a region between 12 to 2 or 4 o'clock and a region between 6 to 8 or 10 o'clock.
Dependencies are inferred from the claim text.