Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Reexamination Certificate
2008-09-02
2008-09-02
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
C123S184550
Reexamination Certificate
active
11623660
ABSTRACT:
A vehicle, such as a motorcycle, includes one or more stationary funnels through which air is delivered to an intake port of an engine. One or more movable funnels are arranged on an inlet side of the one or more stationary funnels and cooperating with the stationary funnels to deliver air to the intake port of the engine. A parallel linkage rotatably supports the stationary funnels and includes an upper linkage member and a lower linkage member.
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patent: 4890586 (1990-01-01), Fujii et al.
patent: 5740770 (1998-04-01), Morota
patent: 6408810 (2002-06-01), Leipelt et al.
patent: 63-177627 (1988-11-01), None
patent: 02-223632 (1990-09-01), None
patent: 09-100720 (1997-04-01), None
Ali Hyder
Cronin Stephen K.
Knobbe Martens Olson & Bear LLP
Yamaha Hatsudoki Kabushiki Kaisha
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