JPS6421206A - Hydraulic circuit structure - Google Patents

Hydraulic circuit structure

Info

Publication number
JPS6421206A
JPS6421206A JP17431087A JP17431087A JPS6421206A JP S6421206 A JPS6421206 A JP S6421206A JP 17431087 A JP17431087 A JP 17431087A JP 17431087 A JP17431087 A JP 17431087A JP S6421206 A JPS6421206 A JP S6421206A
Authority
JP
Japan
Prior art keywords
orifice
diameter hole
diameter
oil passage
ranging
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
JP17431087A
Other languages
Japanese (ja)
Inventor
Kuniaki Honjo
Toshinobu Owada
Toshimitsu Yazaki
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP17431087A priority Critical patent/JPS6421206A/en
Publication of JPS6421206A publication Critical patent/JPS6421206A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Pipe Accessories (AREA)

Abstract

PURPOSE:To reduce the manufacturing cost and subside the discomfort noise by forming large-diameter holes in a block part, which forms a throttle part, and forming two sets of orifices having different direction with each other at the innermost of the large-diameter holes. CONSTITUTION:The first large-diameter hole 36 and the second large-diameter hole 37 are made in a block part 32 in such a manner that the holes 36 and 37 meet at right angles with a supply oil passage 25 and a drain oil passage 29, respectively. The first orifice 38 is formed, ranging from the supply oil passage 25 to the first large-diameter hole 35, while the second orifice 39 is formed, ranging from the first large-diameter hole 36 to the second large- diameter hole 37. Similarly, the third orifice 40 and the fourth orifice 41 are made, ranging from the second large-diameter 37 to the drain oil passage 29. As a result, since the pressure is lowered step by step by a plurality of orifices and consequently the pressure reducing action at each orifice is made smaller, the discomfort noise produced can be subsided. In addition, since an oil sump part can be formed, taking advantage of a large-diameter hole for drill insertion, the manufacturing cost can be reduced.
JP17431087A 1987-07-13 1987-07-13 Hydraulic circuit structure Pending JPS6421206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17431087A JPS6421206A (en) 1987-07-13 1987-07-13 Hydraulic circuit structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17431087A JPS6421206A (en) 1987-07-13 1987-07-13 Hydraulic circuit structure

Publications (1)

Publication Number Publication Date
JPS6421206A true JPS6421206A (en) 1989-01-24

Family

ID=15976420

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17431087A Pending JPS6421206A (en) 1987-07-13 1987-07-13 Hydraulic circuit structure

Country Status (1)

Country Link
JP (1) JPS6421206A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970065262A (en) * 1996-03-30 1997-10-13 배순훈 ABS orifice nozzle device and its assembling method
KR970065261A (en) * 1996-03-30 1997-10-13 배순훈 ABS orifice nozzle device and its assembling method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970065262A (en) * 1996-03-30 1997-10-13 배순훈 ABS orifice nozzle device and its assembling method
KR970065261A (en) * 1996-03-30 1997-10-13 배순훈 ABS orifice nozzle device and its assembling method

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