JP5608833B2 - 流体圧ポンプモータ - Google Patents
流体圧ポンプモータ Download PDFInfo
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- JP5608833B2 JP5608833B2 JP2014507744A JP2014507744A JP5608833B2 JP 5608833 B2 JP5608833 B2 JP 5608833B2 JP 2014507744 A JP2014507744 A JP 2014507744A JP 2014507744 A JP2014507744 A JP 2014507744A JP 5608833 B2 JP5608833 B2 JP 5608833B2
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- fluid pressure
- supply
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- pressure pump
- motor
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- 239000012530 fluid Substances 0.000 title claims description 109
- 239000010720 hydraulic oil Substances 0.000 claims description 55
- 230000001172 regenerating effect Effects 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 3
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F03C1/0639—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F03C1/0644—Component parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F03C1/0644—Component parts
- F03C1/0655—Valve means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
- F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/275—Control of the prime mover, e.g. hydraulic control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/31523—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member
- F15B2211/31529—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member having a single pressure source and a single output member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
- Lift Valve (AREA)
- Sliding Valves (AREA)
- Fluid-Driven Valves (AREA)
- Hydraulic Motors (AREA)
- Control Of Fluid Gearings (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Description
以下、図1から図3Bを参照して、本発明の第一の実施の形態に係る流体圧ポンプモータとしての油圧ポンプモータ100について説明する。油圧ポンプモータ100では、作動流体として作動油が用いられる。なお、作動油に代えて、作動水など他の流体を作動流体として用いてもよい。
以下、図4A及び図4Bを参照して、本発明の第二の実施の形態に係る流体圧ポンプモータとしての油圧ポンプモータ200について説明する。なお、以下に示す各実施の形態では、前述した第一の実施の形態と同様の構成には同一の符号を付し、重複する説明は適宜省略する。
以下、図5A及び図5Bを参照して、本発明の第三の実施の形態に係る流体圧ポンプモータとしての油圧ポンプモータ300について説明する。
以下、図6A及び図6Bを参照して、本発明の第四の実施の形態に係る流体圧ポンプモータとしての油圧ポンプモータ400について説明する。
Claims (9)
- 流体圧アクチュエータに作動流体を供給する流体圧ポンプと、前記流体圧アクチュエータから還流される作動流体によって回転駆動される流体圧モータと、を備える流体圧ポンプモータであって、
前記流体圧ポンプに吸い込まれる作動流体が流れるとともに、前記流体圧モータから排出される作動流体が流れる給排通路と、
前記給排通路に設けられ、当該給排通路の流路面積を調整可能な可変バルブと、を備え、
前記可変バルブは、前記流体圧ポンプと前記流体圧モータとが同時に作動しているときの前記給排通路の流路面積を、前記流体圧ポンプ及び前記流体圧モータのいずれか一方のみが作動しているときの流路面積と比較して小さくする流体圧ポンプモータ。 - 請求項1に記載の流体圧ポンプモータであって、
前記流体圧モータの回転によって回生電力を発電するとともに、その回生電力を使用して前記流体圧ポンプを回転駆動する電動機を更に備える流体圧ポンプモータ。 - 請求項1又は2に記載の流体圧ポンプモータであって、
前記流体圧ポンプは、可変容量型のポンプであり、
前記可変バルブは、前記流体圧ポンプの吸込容量に応じて前記給排通路の流路面積を調整する流体圧ポンプモータ。 - 請求項1又は2に記載の流体圧ポンプモータであって、
前記流体圧ポンプは、固定容量型のポンプであり、
前記可変バルブは、前記流体圧ポンプの回転数に応じて前記給排通路の流路面積を調整する流体圧ポンプモータ。 - 請求項1から4のいずれか一つに記載の流体圧ポンプモータであって、
原動機で駆動されるメイン流体圧ポンプから吐出される作動流体によって前記流体圧アクチュエータを駆動するハイブリッド建設機械に適用され、
前記流体圧モータは、前記流体圧アクチュエータから排出された作動流体によって回転駆動され、
前記流体圧ポンプは、吐出した作動流体によって前記メイン流体圧ポンプによる前記流体圧アクチュエータの駆動をアシストする流体圧ポンプモータ。 - 請求項1から5のいずれか一つに記載の流体圧ポンプモータであって、
前記可変バルブは、前記給排通路の壁面に収容された状態で前記給排通路の流路面積を最大とし、回転軸を中心に回動することによって前記給排通路内に突出して前記給排通路の流路面積を小さくすることが可能なロータリバルブである流体圧ポンプモータ。 - 請求項1から5のいずれか一つに記載の流体圧ポンプモータであって、
前記可変バルブは、前記給排通路の壁面に収容された状態で前記給排通路の流路面積を最大とし前記給排通路の径方向に移動可能なゲートと、前記ゲートと螺合して設けられ、その回転によって前記ゲートを前記給排通路に対して進退させるシャフトと、を有するゲートバルブである流体圧ポンプモータ。 - 請求項1から5のいずれか一つに記載の流体圧ポンプモータであって、
前記可変バルブは、前記給排通路内に設けられ、弁軸を中心に回動することによって前記給排通路の流路面積を調整可能なバタフライバルブである流体圧ポンプモータ。 - 請求項1から5のいずれか一つに記載の流体圧ポンプモータであって、
前記可変バルブは、前記給排通路の壁面に収容された状態で前記給排通路の流路面積を最大とし前記給排通路の径方向に移動可能なスプールと、供給される作動油によって前記スプールを前記給排通路内に付勢する背圧室と、前記スプールを前記背圧室に向けて付勢する戻しばねと、を有するスプールバルブである流体圧ポンプモータ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2014507744A JP5608833B2 (ja) | 2012-03-26 | 2013-03-19 | 流体圧ポンプモータ |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012069018 | 2012-03-26 | ||
JP2012069018 | 2012-03-26 | ||
JP2014507744A JP5608833B2 (ja) | 2012-03-26 | 2013-03-19 | 流体圧ポンプモータ |
PCT/JP2013/057767 WO2013146450A1 (ja) | 2012-03-26 | 2013-03-19 | 流体圧ポンプモータ |
Publications (2)
Publication Number | Publication Date |
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JP5608833B2 true JP5608833B2 (ja) | 2014-10-15 |
JPWO2013146450A1 JPWO2013146450A1 (ja) | 2015-12-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014507744A Active JP5608833B2 (ja) | 2012-03-26 | 2013-03-19 | 流体圧ポンプモータ |
Country Status (6)
Country | Link |
---|---|
US (1) | US9027338B2 (ja) |
EP (1) | EP2832999B1 (ja) |
JP (1) | JP5608833B2 (ja) |
KR (1) | KR101429874B1 (ja) |
CN (1) | CN103998784B (ja) |
WO (1) | WO2013146450A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5767996B2 (ja) * | 2012-03-29 | 2015-08-26 | カヤバ工業株式会社 | 流体圧駆動ユニット |
JP5934543B2 (ja) * | 2012-03-29 | 2016-06-15 | Kyb株式会社 | 流体圧駆動ユニット |
JP6084264B1 (ja) * | 2015-09-28 | 2017-02-22 | Kyb株式会社 | スプール弁装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6412080A (en) * | 1988-03-10 | 1989-01-17 | Honda Motor Co Ltd | Swash plate type hydraulic device |
JP2002048215A (ja) * | 2000-08-01 | 2002-02-15 | Honda Motor Co Ltd | 静油圧式無段変速機 |
JP2011127569A (ja) * | 2009-12-21 | 2011-06-30 | Kyb Co Ltd | アシスト回生装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5800134A (en) * | 1994-10-24 | 1998-09-01 | Kawasaki Jukogyo Kabushiki Kaisha | Tandem, swash plate pump having drive force take-out mechanism |
JP4179465B2 (ja) | 2002-07-31 | 2008-11-12 | 株式会社小松製作所 | 建設機械 |
EP1519042B1 (en) * | 2003-09-29 | 2006-08-16 | Kayaba Industry Co., Ltd. | Swash plate type hydraulic pump or motor |
US7249457B2 (en) * | 2005-02-18 | 2007-07-31 | Timberjack Inc. | Hydraulic gravitational load energy recuperation |
JP4907231B2 (ja) * | 2006-06-06 | 2012-03-28 | カヤバ工業株式会社 | エネルギー回生型動力装置 |
JP5225597B2 (ja) * | 2007-03-16 | 2013-07-03 | カヤバ工業株式会社 | 対向式斜板型ピストンポンプ・モータ |
US8186154B2 (en) * | 2008-10-31 | 2012-05-29 | Caterpillar Inc. | Rotary flow control valve with energy recovery |
JP5343037B2 (ja) * | 2010-05-17 | 2013-11-13 | 株式会社 神崎高級工機製作所 | 斜板式液圧機械及び静油圧伝動装置 |
US8794124B2 (en) * | 2010-08-26 | 2014-08-05 | Komatsu Ltd. | Hydraulic pump or motor |
-
2013
- 2013-03-19 EP EP13769394.1A patent/EP2832999B1/en active Active
- 2013-03-19 KR KR1020147016294A patent/KR101429874B1/ko active IP Right Grant
- 2013-03-19 WO PCT/JP2013/057767 patent/WO2013146450A1/ja active Application Filing
- 2013-03-19 CN CN201380004222.4A patent/CN103998784B/zh active Active
- 2013-03-19 US US14/376,433 patent/US9027338B2/en active Active
- 2013-03-19 JP JP2014507744A patent/JP5608833B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6412080A (en) * | 1988-03-10 | 1989-01-17 | Honda Motor Co Ltd | Swash plate type hydraulic device |
JP2002048215A (ja) * | 2000-08-01 | 2002-02-15 | Honda Motor Co Ltd | 静油圧式無段変速機 |
JP2011127569A (ja) * | 2009-12-21 | 2011-06-30 | Kyb Co Ltd | アシスト回生装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2832999A4 (en) | 2015-04-08 |
WO2013146450A1 (ja) | 2013-10-03 |
KR101429874B1 (ko) | 2014-08-12 |
EP2832999B1 (en) | 2016-06-01 |
US9027338B2 (en) | 2015-05-12 |
CN103998784B (zh) | 2015-08-05 |
EP2832999A1 (en) | 2015-02-04 |
JPWO2013146450A1 (ja) | 2015-12-10 |
CN103998784A (zh) | 2014-08-20 |
US20150040551A1 (en) | 2015-02-12 |
KR20140078772A (ko) | 2014-06-25 |
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Free format text: JAPANESE INTERMEDIATE CODE: R350 |