Invention Grant
- Patent Title: Bearing apparatus of crankshaft for internal combustion engine
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Application No.: US15480488Application Date: 2017-04-06
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Publication No.: US10072699B2Publication Date: 2018-09-11
- Inventor: Yusuke Uesu , Yasushi Saito
- Applicant: DAIDO METAL COMPANY LTD.
- Applicant Address: JP Nagoya
- Assignee: Daido Metal Company Ltd.
- Current Assignee: Daido Metal Company Ltd.
- Current Assignee Address: JP Nagoya
- Agency: Snyder, Clark, Lesch & Chung, LLP
- Priority: JP2016-078216 20160408
- Main IPC: F16C9/02
- IPC: F16C9/02 ; F16C33/04 ; F01M1/06 ; F01M11/02 ; F16C3/14 ; F16C33/10 ; F02F7/00

Abstract:
The bearing apparatus 1 includes a crankshaft having multiple journals, main bearings supporting the crankshaft, and a bearing housing. The plurality of journals include a first journal with a lubricating oil passage and a second journal without a lubricating oil passage. The first and second journals are supported by first and second main bearings, respectively. The bearing housing is constituted by an Al-alloy upper housing and an Fe-alloy lower housing. The depth of the oil groove of the upper half bearing of the second main bearing at least in a ±45° region is equal to or smaller than a half of the depth of the oil groove of the upper half bearing of the first main bearing in the ±45° region.
Public/Granted literature
- US20170292560A1 BEARING APPARATUS OF CRANKSHAFT FOR INTERNAL COMBUSION ENGINE Public/Granted day:2017-10-12
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