Gas and liquid contact apparatus – Fluid distribution – Pumping
Reexamination Certificate
2006-06-07
2009-02-03
Chiesa, Richard L (Department: 1797)
Gas and liquid contact apparatus
Fluid distribution
Pumping
C261S035000, C261SDIG019, C261SDIG067
Reexamination Certificate
active
07484717
ABSTRACT:
An accelerator pump cap for an accelerator pump assembly of a carburetor, such as a motorcycle or ATV carburetor, has a cap body with a base and a sidewall projecting from the base defining a fuel chamber within the cap body beneath an open top. Preferably, one or more ports extend through the sidewall closely-spaced to the open top of the cap body to ensure that any vapor or gas residing within the fuel chamber is flushed out of the fuel chamber through the port or ports when the accelerator pump assembly is actuated to supply fuel to the carburetor. Accelerator pump assemblies and the use of a separate collector ring within an accelerator pump cap are also provided.
REFERENCES:
patent: 2100205 (1937-11-01), Spohr
patent: 2442046 (1948-05-01), Hunt
patent: 2775435 (1956-12-01), Kommer
patent: 4000223 (1976-12-01), Yoshioka et al.
patent: 4390480 (1983-06-01), Noisier
patent: 5128071 (1992-07-01), Smith et al.
patent: 5554322 (1996-09-01), Kobayashi
patent: 6047956 (2000-04-01), Brazina
patent: 6481698 (2002-11-01), Calvin et al.
patent: 2006/0208367 (2006-09-01), Brazina
Transworld Motocross Magazine, “Boyeson Quick Shot Accelerator Pump Cover Product Report”, p. 92, May 2005.
Chiesa Richard L
Howson & Howson LLP
LandOfFree
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