Back to results
US 2008/0172875 A1Published application
Method and apparatus for manufacturing fuel pump
AssigneeDenso Corporation
InventorsHiromi SAKAI, Shinji Ueda, Tadashi Hazama, Eiji Iwanari, Shouya Watanabe
Life of this patent
Estimating the term…
Abstract
A cover is inserted into a housing of a fuel pump. Then, a housing-side engaging portion of the housing, which is located at a peripheral edge of an opening of the housing, is heated with a heating means. Thereafter, the housing-side engaging portion is swaged by a punch toward the cover to fix the cover to the housing.
Claims10
A method for manufacturing a fuel pump, which includes a tubular housing that has an opening;
- an impeller that is received in the housing;
- and a cover that covers the opening of the housing and is placed on one axial side of the impeller where the opening of the tubular housing is located, the method comprising:
- inserting the cover into the housing;
- heating a housing-side engaging portion of the housing, which is located at a peripheral edge of the opening of the housing;
- and
- swaging the housing-side engaging portion toward the cover to fix the cover to the housing.
3 more elements
An apparatus for manufacturing a fuel pump, which includes a tubular housing that has an opening;
- an impeller that is received in the housing;
- and a cover that covers the opening of the housing and is placed on one axial side of the impeller where the opening of the tubular housing is located, the apparatus comprising:
- a heating means for heating a housing-side engaging portion of the housing, which is located at a peripheral edge of the opening of the housing;
- and
- a punch that swages the housing-side engaging portion toward the cover, which is inserted into the housing.
2 more elements
Dependencies are inferred from the claim text.