Invention Grant
- Patent Title: Transfer case with disconnect lubrication
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Application No.: US15204088Application Date: 2016-07-07
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Publication No.: US10077811B2Publication Date: 2018-09-18
- Inventor: Philip J. Francis , William C. Dodge
- Applicant: BorgWarner Inc.
- Applicant Address: US MI Auburn Hills
- Assignee: BorgWarner Inc.
- Current Assignee: BorgWarner Inc.
- Current Assignee Address: US MI Auburn Hills
- Agency: Young Basile Hanlon & MacFarlane, P.C.
- Main IPC: F16D25/12
- IPC: F16D25/12 ; B60K17/344 ; F16D13/52 ; F16D13/74

Abstract:
A lubrication system (400) for a transfer case (200) includes a pump (228) selectively supplying a working fluid to a fluid reservoir of an actuator (226) configured to apply force to a clutch assembly (214) to cause the clutch assembly (214) to move between a disengaged position and an engaged position. The lubrication system also includes a relief valve (302) having a relief valve inlet fluidly coupled to the fluid reservoir of the actuator (226) which opens to receive the working fluid based on a threshold pressure level of the working fluid in the fluid reservoir. The lubrication system also includes a trough (306) fluidly coupled to a relief valve outlet of the relief valve (302). The trough (306) carries the working fluid from the relief valve outlet to a bearing assembly (227) associated with at least one of an input shaft (204) and a primary output shaft (206) of the transfer case (200) when the clutch assembly (214) is in the disengaged position.
Public/Granted literature
- US20180010650A1 Transfer Case With Disconnect Lubrication Public/Granted day:2018-01-11
Information query
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