JPS5856399Y2 - リバ−スサ−キュレ−ションドリル用揚水ポンプの安全装置 - Google Patents

リバ−スサ−キュレ−ションドリル用揚水ポンプの安全装置

Info

Publication number
JPS5856399Y2
JPS5856399Y2 JP4949479U JP4949479U JPS5856399Y2 JP S5856399 Y2 JPS5856399 Y2 JP S5856399Y2 JP 4949479 U JP4949479 U JP 4949479U JP 4949479 U JP4949479 U JP 4949479U JP S5856399 Y2 JPS5856399 Y2 JP S5856399Y2
Authority
JP
Japan
Prior art keywords
time
pump
water pump
contact
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP4949479U
Other languages
English (en)
Japanese (ja)
Other versions
JPS55149594U (enExample
Inventor
宏 久住
清一郎 原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP4949479U priority Critical patent/JPS5856399Y2/ja
Publication of JPS55149594U publication Critical patent/JPS55149594U/ja
Application granted granted Critical
Publication of JPS5856399Y2 publication Critical patent/JPS5856399Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Control Of Non-Positive-Displacement Pumps (AREA)
JP4949479U 1979-04-16 1979-04-16 リバ−スサ−キュレ−ションドリル用揚水ポンプの安全装置 Expired JPS5856399Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4949479U JPS5856399Y2 (ja) 1979-04-16 1979-04-16 リバ−スサ−キュレ−ションドリル用揚水ポンプの安全装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4949479U JPS5856399Y2 (ja) 1979-04-16 1979-04-16 リバ−スサ−キュレ−ションドリル用揚水ポンプの安全装置

Publications (2)

Publication Number Publication Date
JPS55149594U JPS55149594U (enExample) 1980-10-28
JPS5856399Y2 true JPS5856399Y2 (ja) 1983-12-26

Family

ID=28935197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4949479U Expired JPS5856399Y2 (ja) 1979-04-16 1979-04-16 リバ−スサ−キュレ−ションドリル用揚水ポンプの安全装置

Country Status (1)

Country Link
JP (1) JPS5856399Y2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859984U (ja) * 1981-10-20 1983-04-22 株式会社丸山製作所 動力噴霧機のエンジン自動停止ユニツト

Also Published As

Publication number Publication date
JPS55149594U (enExample) 1980-10-28

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