JP2015218692A5 - - Google Patents

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Publication number
JP2015218692A5
JP2015218692A5 JP2014104793A JP2014104793A JP2015218692A5 JP 2015218692 A5 JP2015218692 A5 JP 2015218692A5 JP 2014104793 A JP2014104793 A JP 2014104793A JP 2014104793 A JP2014104793 A JP 2014104793A JP 2015218692 A5 JP2015218692 A5 JP 2015218692A5
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JP
Japan
Prior art keywords
pressure
full cut
time
inverter
timer
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JP2014104793A
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Japanese (ja)
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JP2015218692A (en
JP6391299B2 (en
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Priority to JP2014104793A priority Critical patent/JP6391299B2/en
Priority claimed from JP2014104793A external-priority patent/JP6391299B2/en
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Publication of JP2015218692A5 publication Critical patent/JP2015218692A5/ja
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Description

また、遅延手段であるタイマー７Ａは、フルカットオフ圧力Ｐ２を超えた時点で圧力スイッチ７からの圧力信号をインバータ８が受けるよう所定時間ａを設定した。このため、フルカットオフ圧力Ｐ２まで吐出圧力を確実に上昇させることができ、良好なポンプ作動を得ることができる。
Further, the timer 7A is a delay means, to set the predetermined time a to the pressure signal from the pressure switch 7 at the time of exceeding the full cut-off pressure P2 inverter 8 receives. For this reason, the discharge pressure can be reliably increased to the full cut-off pressure P2, and a good pump operation can be obtained.

JP2014104793A 2014-05-21 2014-05-21 Inverter control hydraulic unit Active JP6391299B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014104793A JP6391299B2 (en) 2014-05-21 2014-05-21 Inverter control hydraulic unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014104793A JP6391299B2 (en) 2014-05-21 2014-05-21 Inverter control hydraulic unit

Publications (3)

Publication Number Publication Date
JP2015218692A JP2015218692A (en) 2015-12-07
JP2015218692A5 true JP2015218692A5 (en) 2017-06-01
JP6391299B2 JP6391299B2 (en) 2018-09-19

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ID=54778277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014104793A Active JP6391299B2 (en) 2014-05-21 2014-05-21 Inverter control hydraulic unit

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JP (1) JP6391299B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019206919A (en) * 2018-05-28 2019-12-05 豊興工業株式会社 Motor direct-coupling type hydraulic pump device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2918170B2 (en) * 1990-03-20 1999-07-12 日立建機株式会社 Prime mover controller for construction machinery
JPH0681773A (en) * 1992-09-02 1994-03-22 Shin Caterpillar Mitsubishi Ltd Electronically controlled hpc device for hydraulic shovel pump
JP4893401B2 (en) * 2007-03-22 2012-03-07 株式会社不二越 Inverter driven hydraulic device
JP5337662B2 (en) * 2009-10-14 2013-11-06 川崎重工業株式会社 Apparatus and method for operating hydraulic pump in hydraulic system

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