Wayne Chi Fu, Age 748151 Longcreek Dr, Dayton, OH 45458

Wayne Fu Phones & Addresses

8151 Longcreek Dr, Washington Township, OH 45458 (937) 436-1096 (937) 436-1339 (937) 610-3575

Dayton, OH

Vandalia, OH

Marion, OH

8151 Longcreek Dr, Dayton, OH 45458 (937) 436-1096

Work

Position: Professional/Technical

Education

Degree: Associate degree or higher

Mentions for Wayne Chi Fu

Publications & IP owners

Us Patents

Rocker Lever For An Internal Combustion Engine Fuel Injection System

US Patent:
6247454, Jun 19, 2001
Filed:
May 20, 1998
Appl. No.:
9/081729
Inventors:
Wayne C. Fu - Centerville OH
Assignee:
Cummins Engine Company, Inc. - Columbus IN
International Classification:
F02M 3704
US Classification:
123508
Abstract:
The present invention relates to an improved fuel injector rocker lever designed to maintain relatively high fuel injection pressures when the engine speed decreases from full-rated power to torque peak conditions. The fuel injector rocker lever is designed with a size and shape so as to make the rocker lever flexible, thereby allowing the rocker lever to store and release strain energy when actuating the fuel injector. Thus, as engine speed decreases, the fuel injection pressure decreases at a lower rate when compared to a stiff actuating train because the fuel injector train is storing more strain energy due to its flexible nature. Generally, the improved rocker lever is designed with a vertically thin and horizontally wide arm which increases its width from the fuel injector actuator to the pivot point of the rocker lever. By reducing the thickness of the rocker lever, the stiffness decreases significantly, thereby permitting more strain energy to be stored and released by the rocker lever. Moreover, the stress experienced over the length of the lever arm is constant since the lever width increases away from the fuel injector contact point.

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