Tuned induction system for a motorcycle

US6691661B2 · kind B2 · utility

Assignee

• S&S CYCLE, INC. · US

Inventors

• James M. Lundgreen · Lakeville, US
• Jeffery John Bailey · Richland Center, US
• Brian Hanold · Richland Center, US
• Nathan L. Oium · Hudson, US
• Brian W. Perkins · Richland Center, US
• Jason Harold Perkins · Richland Center, US
• Scott Sjovall · Westby, US
• Eric Orvis Wangen · Viroqua, US
• Geoffery D. Ziegahn · Richland Center, US

Key dates

• Filing date: Jun 17, 2002
• Grant date: Feb 17, 2004
• Expiry date: Jun 17, 2022

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02D9/10
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

An tuned induction system for use on a motorcycle having a V-twin engine. The tuned induction system having separate and individual first and second manifold bodies. Each of the separate intake manifold bodies having a flange that couples the individual manifold body to a cylinder head of the V-twin engine. The flange having a continuous radius that maximizes airflow velocity to enhance engine performance.