POWER TRANSMISSION DEVICE

PROBLEM TO BE SOLVED: To lubricate a bearing of a gear shaft by using oil leaked from an oil pump and to inhibit discharge of working oil to the outside through an air conduit pipe from a breather chamber of the gear shaft.SOLUTION: A power transmission device 20 includes: a countershaft 52 having a...

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Bibliographic Details
Main Authors ITO TATSUAKI, ISHIKAWA TOMOYUKI
Format Patent
LanguageEnglish
Published 22.04.2013
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To lubricate a bearing of a gear shaft by using oil leaked from an oil pump and to inhibit discharge of working oil to the outside through an air conduit pipe from a breather chamber of the gear shaft.SOLUTION: A power transmission device 20 includes: a countershaft 52 having a breather chamber 52a and having a counter driven gear 53 mounted thereto; a bearing 56a for supporting the countershaft 52 at a position on the opening side of the breather chamber 52a; an air conduit pipe 60 communicating with the breather chamber 52a and the outside of a case 21; a second leakage oil conduit 21a for allowing oil leaked from an oil pump 30 to flow out of an outlet 21b open to the inside of the case 21; a receiving member 80 for receiving the leaked oil from the outlet 21b; a guide conduit 21g for conducting the leaked oil from the receiving member 80 to the bearing 56a; and a scatter prevention wall section 21x and an inflow blocking wall section 21y, which suppress scraped oil scraped up by the gear 53 from flowing into the receiving member 80.
Bibliography:Application Number: JP20110214712