The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 28, 2021
Filed:
Aug. 07, 2019
Applicant:
Yamabiko Corporation, Tokyo, JP;
Inventors:
Ikumin Ryuzaki, Tokyo, JP;
Takumi Nonaka, Tokyo, JP;
Tamotsu Saito, Tokyo, JP;
Tomoyoshi Kudo, Tokyo, JP;
Assignee:
YAMABIKO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 19/04 (2006.01); F02M 9/10 (2006.01); F02M 9/02 (2006.01); F02M 17/40 (2006.01); B29C 70/48 (2006.01);
U.S. Cl.
CPC ...
F02M 9/023 (2013.01); F02M 9/10 (2013.01); F02M 17/40 (2013.01); F02M 19/04 (2013.01); B29C 70/48 (2013.01);
Abstract
A needle valve body () has a needle hollow part () and a slit () extending in an axial direction and opened forward in a tip region. The carburetor body (B) has a body hole () receiving the needle valve body () in a longitudinally displaceable manner along an axis and a step-part circumferential edge () formed in the body hole () and forming an orifice () with the slit () of the needle valve body (). By operating the needle valve body () to adjust the size of the orifice (), an amount of fuel supplied to a fuel discharge part (Fout) can be adjusted.