Valve timing adjusting device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9863290
SERIAL NO

15091713

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A valve timing adjusting device includes a housing, a vane rotor, a sleeve, and a spool. The housing includes a timing pulley connected to a crank shaft through a dry belt, and rotates in association with the crank shaft. The sleeve includes a supply port, a drain port, a first control port, a second control port, and a first drain oil channel. The spool includes an oil connection channel that is arranged at an axial center portion of the spool and controls the supply port to be connected with the first control port or the second control port depending on an axial-direction position. The drain port is connected with a first drain space through a second drain oil channel. A second drain space is connected with the first drain space through a third drain oil channel that is provided to span the vane rotor and the cam shaft.

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Patent Owner(s)

Patent OwnerAddress
DENSO CORPORATIONKARIYA-CITY AICHI-PREF 448-8661

International Classification(s)

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  • 2016 Application Filing Year
  • F01L Class
  • 466 Applications Filed
  • 390 Patents Issued To-Date
  • 83.70 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mitsutani, Tetsurou Kariya, JP 3 8

Cited Art Landscape

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Patent Citation Ranking

  • 0 Citation Count
  • F01L Class
  • 0 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges13922392201 - 1011 - 2021 - 3031 - 400102030405060708090100110120130140150160170180190200210220230240

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