EXPANDER AND AIR REFRIGERATION DEVICE WITH THE SAME

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United States of America Patent

SERIAL NO

15284160

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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According to one embodiment, an expander includes a piston provided reciprocatively in a first direction in a cylinder, a crankshaft, an XY-separation crank mechanism provided between the piston and the crankshaft, which converts a reciprocating motion of the piston and a rotary motion of the crankshaft into one another, a cylinder head including an intake port and an outlet port, a suction valve which opens/closes the intake port, a discharge valve which opens/closes the outlet port, an intake-side valve mechanism which opens/closes the suction valve and an outlet-side valve mechanism which opens/closes the discharge valve. At least one of the intake-side and outlet-side valve mechanisms includes an XY separation drive mechanism.

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Patent Owner(s)

Patent OwnerAddress
TAC RESEARCH INCYAMAGATA 992-0033
Z MECHANISM TECHNOLOGY INSTITUTE CO LTDYONEZAWA-SHI YAMAGATA 992-0033

International Classification(s)

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  • 2016 Application Filing Year
  • F25B Class
  • 1355 Applications Filed
  • 932 Patents Issued To-Date
  • 68.79 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yoshizawa, Satoshi Yonezawa-shi, JP 48 939
Yoshizawa, Takumi Yonezawa-shi, JP 4 17
Yoshizawa, Yasuo Yonezawa-shi, JP 21 178
Yoshizawa, Yutaka Yonezawa-shi, JP 15 66

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Patent Citation Ranking

  • 1 Citation Count
  • F25B Class
  • 21.93 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges14345344821101 - 1011 - 2021 - 3031 - 4041 - 5071 - 800255075100125150175200225250275300325350375400425450475500

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