Invention Grant
US09404462B2 Engine starter designed to minimize mechanical noise at start of engine
有权
发动机起动器旨在最大限度地减少发动机起动时的机械噪
- Patent Title: Engine starter designed to minimize mechanical noise at start of engine
- Patent Title (中): 发动机起动器旨在最大限度地减少发动机起动时的机械噪
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Application No.: US14054255Application Date: 2013-10-15
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Publication No.: US09404462B2Publication Date: 2016-08-02
- Inventor: Tatsuya Fujita
- Applicant: DENSO CORPORATION
- Applicant Address: JP Kariya
- Assignee: DENSO CORPORATION
- Current Assignee: DENSO CORPORATION
- Current Assignee Address: JP Kariya
- Agency: Oliff PLC
- Priority: JP2012-229567 20121017
- Main IPC: F02D28/00
- IPC: F02D28/00 ; F02N11/08 ; F02N15/06

Abstract:
An engine starting system for an engine is equipped with a pinion, an electromagnetic actuator, and a controller. When energized, the electromagnetic actuator produces a magnetic attraction to move the pinion straight toward a ring gear coupled to an engine for starting the engine. The controller is designed to selectively provide a small amount of current to the electromagnetic actuator and a large amount of current to the electromagnetic actuator. When it is required to minimize the level of noise arising from mechanical contact of the pinion with the ring gear, the controller provides the small amount of current to the electromagnetic actuator to slow the movement of the pinion toward the ring gear, thereby lessening the impact of the pinion on the ring gear.
Public/Granted literature
- US20140102395A1 ENGINE STARTER DESIGNED TO MINIMIZE MECHANICAL NOISE AT START OF ENGINE Public/Granted day:2014-04-17
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