Invention Grant
- Patent Title: Marine drive lower gearcase with efficient lubricant level
- Patent Title (中): 船用驱动下齿轮箱,高效润滑油水平
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Application No.: US12899698Application Date: 2010-10-07
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Publication No.: US08267732B1Publication Date: 2012-09-18
- Inventor: Randall J. Poirier , John A. Tuchscherer , Thomas S. Lonnborg
- Applicant: Randall J. Poirier , John A. Tuchscherer , Thomas S. Lonnborg
- Applicant Address: US IL Lake Forest
- Assignee: Brunswick Corporation
- Current Assignee: Brunswick Corporation
- Current Assignee Address: US IL Lake Forest
- Agency: Andrus, Sceales, Starke & Sawall, LLP
- Main IPC: B63H20/32
- IPC: B63H20/32 ; B63H21/36

Abstract:
A marine drive having a lower gearcase with a vertical drive shaft driving a horizontal propeller shaft in a torpedo housing has a vent plug setting the level of lubricant in the lower gearcase to be substantially at the top of the torpedo housing.
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