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Title:
Engine, engine-driven heat pump device and engine operation method
Document Type and Number:
Japanese Patent JP6304976
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an engine and an engine drive type heat pump device that do not cause stall or the like even in a case where a heat value of fuel gas changes, while maintaining a relatively simple constitution.SOLUTION: An engine includes fuel gas supply amount increase means 56 that in a case where when the supply amount of fuel gas G is reduced by fuel gas supply amount reduction means 53, a rotational speed fluctuation relevant value exceeds a reference value of the rotational speed fluctuation relevant value generated in a case where fuel gas G having a reference heat value more than a minimum heat value capable of being supplied with the heat value of fuel gas G as supply gas and equal to or less than a maximum heat value is supplied and a fuel gas supply amount is operated to be reduced by the fuel gas supply amount reduction means 53, increases an amount of fuel gas G supplied to an engine 60 more than a current supply amount of fuel gas G.

Inventors:
Norimichi Murai
Hiroshi Kanai
Yohei Ando
Application Number:
JP2013183305A
Publication Date:
April 04, 2018
Filing Date:
September 04, 2013
Export Citation:
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Assignee:
OSAKA GAS CO.,LTD.
Panasonic Corporation
International Classes:
F02D41/04; F02B43/00; F02B63/00; F02D19/02; F02D45/00; F02M21/02; F25B27/00
Domestic Patent References:
JP2013127232A
JP2007205293A
Attorney, Agent or Firm:
Shuichiro Kitamura
Ichiro Miyake
Kunihiko Higashi