(19)
(11) EP 2 708 704 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.01.2018 Bulletin 2018/02

(43) Date of publication A2:
19.03.2014 Bulletin 2014/12

(21) Application number: 13179041.2

(22) Date of filing: 02.08.2013
(51) International Patent Classification (IPC): 
F01K 13/02(2006.01)
F01K 23/08(2006.01)
F01K 23/16(2006.01)
 F01K 15/00(2006.01)
F01K 23/04(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 14.09.2012 JP 2012203220
19.10.2012 JP 2012232032

(71) Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Kobe-shi, Hyogo 651-8585 (JP)

(72) Inventors:
  • Adachi, Shigeto
    Takasago-shi,, Hyogo 676-8670 (JP)
  • Matsumura, Masayoshi
    Takasago-shi,, Hyogo 676-8670 (JP)
  • Narukawa, Yutaka
    Takasago-shi,, Hyogo 676-8670 (JP)

(74) Representative: TBK 
Bavariaring 4-6
80336 München
80336 München (DE)

   


(54) Power generating apparatus and operation method thereof


(57) Provided is a power generating apparatus capable of using power generated by a heat engine (4) in combination with power of a driving source (53) provided separately from the heat engine (4). In order to prevent a problem caused when activating and stopping the apparatus, the apparatus of the present invention includes a rotary machine driving source (53) which generates a rotational driving force for a rotary machine (11) and a heat engine (4) which drives the rotary machine (11) in cooperation with the rotary machine driving source (53), wherein the heat engine includes an expander (3) which expands an evaporated working medium so as to generate a rotational driving force, the expander is provided with a bypass pipe (63) which causes a working medium inlet of the expander to communicate with a working medium outlet thereof, and the bypass pipe is provided with an on-off valve (64) which opens and closes the bypass pipe.







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