JP6074826B2 - 軸推力を平衡させる油圧システムを備えたヘリカル歯を有するギアポンプ又は油圧ギアモータ - Google Patents
軸推力を平衡させる油圧システムを備えたヘリカル歯を有するギアポンプ又は油圧ギアモータ Download PDFInfo
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- 239000012530 fluid Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 15
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- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
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- 230000001419 dependent effect Effects 0.000 description 2
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- 238000010521 absorption reaction Methods 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/082—Details specially related to intermeshing engagement type machines or engines
- F01C1/084—Toothed wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/003—Systems for the equilibration of forces acting on the elements of the machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0023—Axial sealings for working fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0023—Axial sealings for working fluid
- F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/18—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/084—Toothed wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
- F04C2/165—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type having more than two rotary pistons with parallel axes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0021—Systems for the equilibration of forces acting on the pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
- F04C2240/56—Bearing bushings or details thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Hydraulic Motors (AREA)
- Gears, Cams (AREA)
- Gear Transmission (AREA)
Description
−軸に接合される第1歯車;
−軸に接合され、第1歯車と係合する第2歯車;
−歯車の軸を回転可能に支持する支持体;
−支持体を収容し、流体入口ダクト及び流体出口ダクトを画定するケース;
−軸の凸部が前方に突出し、第1歯車の軸に接続される前フランジであって、軸の凸部がモータ又は負荷に接続されるよう適合される前フランジ;及び
−ケースに固定される裏蓋を含み、
−上記歯車の歯は、ヘリカル型である。
−上記ケースと上記前フランジとの間に配置される中間フランジであって、接続ダクトによって入口又は出口流体ダクトに接続される第1室を含む中間フランジ;
−第1歯車にかかる軸力を補償し、第1歯車の軸への運動伝達を可能にするように、中間フランジの上記第1室に取付けられ、第1歯車の上記軸の一部に嵌挿される補償リングを更に含み、
該補償リングは、内部が空洞のシリンダと、該シリンダから径方向に突出するカラーを含み、シリンダとカラーの外径は、第1歯車にかかる軸力を補償するように、選択される。
2 従動輪
3 ケース
4、5 ブッシュ
6 前フランジ
7 裏蓋
8 中間フランジ
9 補償リング
10、20 軸
12 駆動軸
13 凸部
15 肩部
70、80 第1室
71、82 第2室
72、73、82 ダクト
88、270、271 ピストン
90 シリンダ
91 カラー
92 貫通孔
95、96 運動用シール
100、200 ギアポンプ
500 機械的接続体
501 プレート
600 中間プレート
601 ベアリング
Claims (11)
- −軸(10)に接合される第1歯車(1);
−軸(20)に接合され、第1歯車(1)と係合する第2歯車(2);
−第1歯車の軸(10)、及び第2歯車の軸(20)を、それぞれ回転可能に支持する支持体(4、5);
−支持体(4、5)を収容し、流体入口ダクト及び流体出口ダクトを画定するケース(3);
−軸の凸部(13)が前方に突出し、第1歯車の軸(10)に接続される前フランジ(6)であって、軸の前記凸部(13)がモータ(M)又は負荷に接続されるよう適合される前フランジ(6);
−ケース(3)に固定される裏蓋(7)を含む、ギアポンプ又は油圧ギアモータ(100;200)であって、
−前記歯車(1、2)の歯は、ヘリカル型であり、
前記ギアポンプ又は油圧ギアモータは:
−前記ケース(3)と前記前フランジ(6)との間に配置される中間フランジ(8)であって、接続ダクト(82)によって入口又は出口流体ダクトに接続される第1室(80)を含む中間フランジ(8);及び
−第1歯車にかかる軸力を補償し、第1歯車の軸(10)への運動伝達を可能にするように、中間フランジの前記第1室(80)に取付けられ、第1歯車の前記軸(10)の一部(T)に嵌挿される補償リング(9)を含み、
該補償リング(9)は、内部が空洞のシリンダ(90)と、該シリンダ(90)から径方向に突出するカラー(91)を含み、シリンダ(90)とカラー(91)の外径(d1、d2)は、第1歯車にかかる軸力(A)を補償するように、選択されること、を特徴とする、ギアポンプ又は油圧ギアモータ(100;200)。 - −前記中間フランジ(8)内に設けられ、前記接続ダクト(82)によって、ポンプの入口又は出口流体ダクトに接続される第2室(81);及び、
−前記中間フランジの前記第2室(81)内に取り付けられるピストン(88)であって、前記第2歯車にかかる軸力(B)を補償するために、第2歯車の前記軸(20)の前記中間フランジ側端部を受け止めるように配置された前記ピストン(88)を更に含む、請求項1に記載のギアポンプ又は油圧ギアモータ(100;200)。 - 前記補償リング(9)が嵌挿される第1歯車の軸の前記部分(T)が、端部(T)であり、ギアポンプは、駆動歯車の前記端部(T)を、運動伝達用の別の軸(13;10)に接続する機械的接続体(500)を更に含む、請求項1に記載のギアポンプ又は油圧ギアモータ(100;200)。
- 補償リング(9)は、相対的な摩擦を排除するように、駆動輪の軸の前記部分(T)に止めピンで固定される、請求項1又は2に記載のギアポンプ又は油圧ギアモータ(100;200)。
- 高圧領域から低圧領域に漏出させないように前記補償リング(9)を支持するために、中間フランジ(8)の前記第1室(80)に配置される運動用シール(95、96)を含む、請求項1乃至4の何れか1項に記載のギアポンプ又は油圧ギアモータ(100;200)。
- 前記裏蓋(7)は:
−ダクト(72、73)によって、入口又は出口流体ダクトに接続される第1室(70)及び第2室(71);
−裏蓋の前記第1室(70)に取付けられる第1ピストン(270)であって、前記第1歯車にかかる軸力(A;C)を補償するために、第1歯車(1)の軸(10)の裏蓋側端部を受け止めるように配置された前記第1ピストン(270);及び
−裏蓋の前記第2室(71)に取付けられる第2ピストン(271)であって、前記第2歯車にかかる軸力(B;D)を補償するために、第2歯車(2)の軸(20)の裏蓋側端部を受け止めるように配置された前記第2ピストン(271)を含む、請求項1乃至5の何れか1項に記載のギアポンプ又は油圧ギアモータ(100;200)。 - 前フランジ(6)から突出する前記凸部(13)を含む駆動軸(12)に第1歯車(1)の軸を接続する機械的接続体(500)を更に含む、請求項1乃至6の何れか1項に記載のギアポンプ又は油圧ギアモータ(100;200)。
- 第1歯車(1)の軸の前記凸部(13)は、第1歯車(1)が駆動輪となり、第2歯車(2)が従動輪となるように、モータ(M)に接続される、請求項1乃至7の何れか1項に記載のギアポンプ(100)。
- 軸の前記凸部(13)は、負荷に接続される、請求項1乃至7の何れか1項に記載の油圧ギアモータ(200)。
- 前記ギアポンプ又は油圧ギアモータは、多連式であり、
−第1歯車(1)及び第2歯車(2)を含む少なくとも1つの前段(SA);
−第1歯車(1)と第2歯車(2)及び前記裏蓋(7)を含む後段(SB);及び
−前段(SA)の第1歯車(1)の軸を、後段(SB)の第1歯車(1)の軸に接続する機械的接続体(500)を含む前記ギアポンプ又は油圧ギアモータであって、
前記中間フランジ(8)は、前段(SA)のケース(3)と、機械的接続体(500)との間に配置され、中間フランジ(8)の前記補償リング(9)は、前段(SA)の第1歯車(1、2)に関する軸推力(A)を補償する、請求項1乃至7の何れか1項に記載のギアポンプ又は油圧ギアモータ(200)。 - 前段(SA)と後段(SB)との間に少なくとも1つの中間段(SI)を更に含み、
各中間段(SI)は、第1歯車(1)、及びヘリカル歯を有する第2歯車(2)を含み、中間段(SI)の第1歯車(1)は、前段(SA)の駆動輪(1)の軸の端部(T)から運動を受け、中間段(SI)の第1歯車(1)の軸を後段(SB)の第1歯車(1)の軸に接続する機械的接続体(500)を介して後段(SB)を移動させ;更なる中間フランジ(8)が、中間段(SI)のケースと機械的接続体(500)との間に配置され、前記更なる中間フランジ(8)は、中間段(SI)の第1歯車(1)の軸推力(A)を補償するために、補償リング(9)を含む、請求項10に記載のギアポンプ又は油圧ギアモータ(200)。
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ITAN2013A000102 | 2013-05-30 | ||
IT000102A ITAN20130102A1 (it) | 2013-05-30 | 2013-05-30 | Pompa o motore idraulico ad ingranaggi a dentatura elicoidale con sistema idraulico per il bilanciamento di forze assiali. |
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