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Roger T. Simpson

BorgWarner Inc.

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Featured researches published by Roger T. Simpson.

Archive | 2003

On demand vehicle drive system

Will Watson; Alan Leonard Miller; Drew A Sundquist; Roger T. Simpson; Diane K Ducklow; Joseph W. Beckerman; Dan J. Showalter

Archive | 2000

Multi-position variable cam timing system having a vane-mounted locking piston device

Roger T. Simpson; Michael C. Duffield; Marty Gardner

Archive | 2001

Variable valve timing with actuator locking for internal combustion engine

Roger T. Simpson; Michael C. Duffield; Marty Gardner

Archive | 2001

Multi-position variable camshaft timing system actuated by engine oil pressure

Roger T. Simpson; Michael C. Duffield; Marty Gardner

Archive | 1997

Hydraulic chain tensioner with molded plastic body

Roger T. Simpson; Michael C. Duffield; Todd K. Preston

Archive | 1995

Integral inlet and pressure relief valve for an automotive tensioner

Roger T. Simpson; Kevin B. Todd

Archive | 2000

Control valve strategy for vane-type variable camshaft timing system

Roger T. Simpson; Franklin R. Smith

Archive | 2002

Variable camshaft timing system with pin-style lock between relatively oscillatable components

Roger T. Simpson; Franklin R. Smith

Archive | 2001

Hydraulic tensioner with pawl-style external rack

Roger T. Simpson

Archive | 1999

Pressure relief valve and dual path vent disc for hydraulic tensioner.

Braman Wing; Roger T. Simpson

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Franklin R. Smith

BorgWarner Inc.

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Marty Gardner

BorgWarner Inc.

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Michael C. Duffield

BorgWarner Inc.

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Danny R. Taylor

BorgWarner Inc.

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Philip J. Mott

BorgWarner Inc.

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Alan Leonard Miller

BorgWarner Inc.

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Dan J. Showalter

BorgWarner Inc.

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Diane K Ducklow

BorgWarner Inc.

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Drew A Sundquist

BorgWarner Inc.

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Joseph W. Beckerman

BorgWarner Inc.

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