JPS5879086U - gear hydraulic pump - Google Patents

gear hydraulic pump

Info

Publication number
JPS5879086U
JPS5879086U JP17520781U JP17520781U JPS5879086U JP S5879086 U JPS5879086 U JP S5879086U JP 17520781 U JP17520781 U JP 17520781U JP 17520781 U JP17520781 U JP 17520781U JP S5879086 U JPS5879086 U JP S5879086U
Authority
JP
Japan
Prior art keywords
gear
hydraulic pump
gear hydraulic
drive
drive shaft
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.)
Pending
Application number
JP17520781U
Other languages
Japanese (ja)
Inventor
戸室　功
岡村　信一
Original Assignee
日産ディーゼル工業株式会社
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 日産ディーゼル工業株式会社 filed Critical 日産ディーゼル工業株式会社
Priority to JP17520781U priority Critical patent/JPS5879086U/en
Publication of JPS5879086U publication Critical patent/JPS5879086U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ａは、従来の歯車油圧ポンプの断面図、第１図す
は第１図ａのＡ−Ａ’の断面図、第２図ａは本考案の歯
車油圧ポンプの断面図、第２図すは第２図ａのＢ−Ｂ’
の断面図、第３図は本考案におけるスラスト力と反スラ
スト力の関係を表わすグラフである。 １・・・駆動ギア、１ａ・・・へりカルギア、２・・・
従動ギア、３・・・ケーシング、４・・・ドライブシャ
フト、６・・・摺動部、７・・・作動室、８・・・ドラ
イブシャフト端部、９・・・油路。FIG. 1a is a cross-sectional view of a conventional gear hydraulic pump, FIG. 1 is a cross-sectional view taken along line AA' in FIG. The diagram shows B-B' in Figure 2a.
FIG. 3 is a graph showing the relationship between thrust force and anti-thrust force in the present invention. 1... Drive gear, 1a... Helical gear, 2...
Driven gear, 3...Casing, 4...Drive shaft, 6...Sliding part, 7...Working chamber, 8...Drive shaft end, 9...Oil passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ポンプケーシング内に駆動ギアと該駆動ギアに噛合う従
動ギアを配設し、駆動ギアを連結したドライブシャフト
に駆動力をヘリカルギアを介して伝達するようにした歯
車油圧ポンプにおいて、作動室内の吐出口側の一部から
ドライブシャフト端部スラスト力に対して吐出油を導く
油路を設けたことを特徴とする歯車油圧ポンプ。In a gear hydraulic pump, a drive gear and a driven gear meshing with the drive gear are disposed inside the pump casing, and driving force is transmitted to a drive shaft connected to the drive gear via a helical gear. A gear hydraulic pump characterized by being provided with an oil passage that guides discharged oil from a part of the outlet side against the thrust force at the end of the drive shaft.
JP17520781U 1981-11-25 1981-11-25 gear hydraulic pump Pending JPS5879086U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17520781U JPS5879086U (en) 1981-11-25 1981-11-25 gear hydraulic pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17520781U JPS5879086U (en) 1981-11-25 1981-11-25 gear hydraulic pump

Publications (1)

Publication Number Publication Date
JPS5879086U true JPS5879086U (en) 1983-05-28

Family

ID=29967485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17520781U Pending JPS5879086U (en) 1981-11-25 1981-11-25 gear hydraulic pump

Country Status (1)

Country Link
JP (1) JPS5879086U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007096943A1 (en) * 2006-02-20 2007-08-30 Shimadzu Mectem, Inc. Gear pump
JP2008274854A (en) * 2007-04-27 2008-11-13 Jtekt Corp Electric pump unit and electric oil pump

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324608A (en) * 1976-08-20 1978-03-07 Hitachi Ltd Volume geared device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324608A (en) * 1976-08-20 1978-03-07 Hitachi Ltd Volume geared device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007096943A1 (en) * 2006-02-20 2007-08-30 Shimadzu Mectem, Inc. Gear pump
JPWO2007096943A1 (en) * 2006-02-20 2009-07-09 島津メクテム株式会社 Gear pump
KR101012465B1 (en) * 2006-02-20 2011-02-08 시마즈멕템가부시기가이샤 Gear pump
US7976297B2 (en) 2006-02-20 2011-07-12 Shimadzu Mectem, Inc. Gear pump including introduction paths and return paths
JP2008274854A (en) * 2007-04-27 2008-11-13 Jtekt Corp Electric pump unit and electric oil pump

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