Title:
INNER ROTOR OF OIL PUMP
Document Type and Number:
Japanese Patent JP2008157210
Kind Code:
A
Abstract:
To provide an inner rotor of an oil pump equipped with fine trochoidal teeth.
In a trochoidal tooth profile 1 of the inner rotor A of a trochoid pump, both shoulders 111 in a width direction on an addendum 11 of the trochoidal tooth profile 1 are formed in a tertiary or higher-order curve. The tertiary or higher-order curve is formed in a Bezier curve. The higher-order curve is formed in a curve composed by properly combining the Bezier curve and the tertiary or higher-order curve.
More Like This:
| JP2015161206 | SUPPLY PUMP |
| JP2761586 | [Title of Invention] Scroll Compressor |
| JP2002021469 | PORTABLE SIMPLIFIED INJECTOR |
Inventors:
SAITO MASAMITSU
AMANO MASARU
WATANABE TAKATOSHI
AMANO MASARU
WATANABE TAKATOSHI
Application Number:
JP2006350456A
Publication Date:
July 10, 2008
Filing Date:
December 26, 2006
Export Citation:
Assignee:
YAMADA SEISAKUSHO KK
International Classes:
F04C2/10
Domestic Patent References:
| JPH06280752A | 1994-10-04 | |||
| JP2002115673A | 2002-04-19 | |||
| JPH06162184A | 1994-06-10 |
Attorney, Agent or Firm:
Kunio Iwahori
Previous Patent: CYLINDER BLOCK
Next Patent: ELECTRICAL QUANTITY AUGMENTING DEVICE, AND WEIGHT ROLLER CONTINUOUSLY DOWNWARD SLOPE POWER GENERATIO...
Next Patent: ELECTRICAL QUANTITY AUGMENTING DEVICE, AND WEIGHT ROLLER CONTINUOUSLY DOWNWARD SLOPE POWER GENERATIO...