Multiple shaft gearbox with input shaft driven oil pump - has suction pipe with filter fitted lower end in sump and upper end with constantly filled intermediate reservoir at pump level

Mehrwellengetriebe

Abstract

The multiple-shaft gearbox (1) has a pump (18), in the upper region of the gearbox, connected directly to the drive shaft (8). The pump provides lubrication for the gears (19-28) and pressure for disc clutch operation. A lower end of a pump suction pipe (16) is fitted with a filter (36) and submerged in an oil reservoir (31). The upper end feeds an intermediate oil reservoir (18a) located at pump level and on the output side (14) of the gearbox. The intermediate oil reservoir does not empty when the pump is not operating. ADVANTAGE - Dry running of the pump is avoided.

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Patent Citations (2)

    Publication numberPublication dateAssigneeTitle
    DE-1183750-BDecember 17, 1964Ceskoslovenske Zd Y NaftovychAnordnung eines OElfilters
    DE-3709626-A1October 13, 1988Hurth Masch Zahnrad CarlSchaltgetriebe

NO-Patent Citations (0)

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Cited By (9)

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    DE-10012385-A1September 20, 2001Zahnradfabrik FriedrichshafenGetriebeeinheit
    DE-102007004965-A1August 07, 2008Sew-Eurodrive Gmbh & Co. KgGetriebe mit Ölkreislauf-Verrohrung und Getriebe-Baureihe
    DE-102007004965-B4May 16, 2012Sew-Eurodrive Gmbh & Co. KgGetriebe mit Ölkreislauf-Verrohrung und Getriebe-Baureihe
    DE-102007027953-B4March 10, 2016Honda Motor Co., Ltd.Doppelkupplungsgetriebesystem
    DE-4030097-A1March 26, 1992Deere & CoGetriebegehaeuse aus gussmetall
    EP-1041315-A1October 04, 2000Kanzaki Kokyukoki Mfg. Co., Ltd.Wechselgetriebesteuervorrichtung für Arbeitsfahrzeuge
    EP-1452778-A3May 24, 2006GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KGAutomated gearbox for motor vehicles
    FR-2877415-A1May 05, 2006Renault SasBoite de vitesses automatique a niveau d'huile maitrise
    US-7845246-B2December 07, 2010Honda Motor Co., Ltd.Twin-clutch transmission system