Multi-stage gearbox

Details Multi-stage gearbox Multi-stage gearbox

2007-12-06

2011-11-22

Young, Edwin A (Department: 3655)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

C475S286000

Reexamination Certificate

active

08062164

ABSTRACT:
Multi-stage transmission having six or seven forward gears and three reverse gears comprises three planetary gear sets (P1, P2, P3), six rotatable shafts (1, 2, 3, 4, 5, 6), as well as six shifting elements (03, 04, 13, 14, 15, 35, 36, 46), whereby the shaft (1) is permanently connected to input element (An) and to the sun gear of the second planetary gear set (P2), the shaft (2) is permanently connected to the output element (Ab) and the ring gear of the third planetary gear set (P3), the shaft (3) is permanently connected to the ring gear of the second planetary gear set (P2), the shaft (4) is permanently connected to the web of the third planetary gear set (P3), the shaft (5) is permanently connected to the ring gear of the first planetary gear set (P1), to the web of the second planetary gear set (P2), and to the sun gear of the third planetary gear set (P3), the shaft (6) is permanently connected to the web of the first planetary gear set (P1), whereby the sun gear of the first planetary gear set (P1) is connected torque-proof to a transmission housing (G), whereby the shafts (3), (4) can be connected via a brake (03,04) to a transmission housing (G), and whereby the clutch (14) detachably connects the shaft (1) to the shaft (4), the clutch (36) detachably connects the shaft (3) to the shaft (6), the clutch (46) detachably connects the shaft (4) to the shaft (6), and whereby a further clutch (35, 13, 15) is provided, via which the shaft (3) is detachably connected to the shaft (5), the shaft (1) is detachably connected to the shaft (3), or the shaft (1) is detachably connected to the shaft (5).

REFERENCES:
patent: 6139463 (2000-10-01), Kasuya et al.
patent: 6558287 (2003-05-01), Hayabuchi et al.
patent: 6572507 (2003-06-01), Korkmaz et al.
patent: 6743141 (2004-06-01), Bucknor et al.
patent: 6860831 (2005-03-01), Ziemer
patent: 2003/0162629 (2003-08-01), Bucknor et al.
patent: 2004/0097324 (2004-05-01), Ziemer
patent: 2005/0215380 (2005-09-01), Bucknor et al.
patent: 2005/0255959 (2005-11-01), Tiesler et al.
patent: 2005/0272554 (2005-12-01), Raghavan et al.
patent: 2006/0040783 (2006-02-01), Raghavan et al.
patent: 2006/0046892 (2006-03-01), Bucknor et al.
patent: 2006/0052208 (2006-03-01), Park
patent: 2936969 (1981-04-01), None
patent: 19912480 (2000-09-01), None
patent: 19949507 (2001-04-01), None
patent: 10162874 (2001-12-01), None
patent: 10115983 (2002-10-01), None
patent: 10115987 (2002-10-01), None
patent: 10213820 (2002-10-01), None
patent: 102004040902 (2006-03-01), None
patent: 0434525 (1991-06-01), None

Affiliated with

Also associated with

Rating

Multi-stage gearbox does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multi-stage gearbox, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-stage gearbox will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4282647