EP3201467B1 - Machine hydraulique comprenant des bossages de fixation allonges pour reduire le bruit - Google Patents

Machine hydraulique comprenant des bossages de fixation allonges pour reduire le bruit Download PDF

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Publication number
EP3201467B1
EP3201467B1 EP15771193.8A EP15771193A EP3201467B1 EP 3201467 B1 EP3201467 B1 EP 3201467B1 EP 15771193 A EP15771193 A EP 15771193A EP 3201467 B1 EP3201467 B1 EP 3201467B1
Authority
EP
European Patent Office
Prior art keywords
hydraulic machine
casing
face
transverse
machine according
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.)
Active
Application number
EP15771193.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3201467A1 (fr
Inventor
Olivier BALENGHIEN
Jean Christian SIROT
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.)
Technoboost SAS
Original Assignee
Technoboost SAS
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 Technoboost SAS filed Critical Technoboost SAS
Publication of EP3201467A1 publication Critical patent/EP3201467A1/fr
Application granted granted Critical
Publication of EP3201467B1 publication Critical patent/EP3201467B1/fr
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Classifications

    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/001—Noise damping
    • F04B53/003—Noise damping by damping supports
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2064—Housings
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/14—Provisions for readily assembling or disassembling
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/001—Noise damping
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections

Definitions

  • the present invention relates to a rotating hydraulic machine for a hybrid motor vehicle, and a hybrid vehicle equipped with such a hydraulic machine.
  • a type of hydraulic barrel machine known, presented in particular by the document US Patent 5358388 , has on the side conventionally called front side, a motorized input shaft which rotates a barrel with a succession of cylinders parallel or slightly inclined, distributed around the axis of this shaft.
  • Each cylinder receives a piston bearing axially on the front side on an inclined plate, which is fixed in rotation around the shaft of the machine, by means of a bearing forming an axial stop.
  • the inclination of this plate on an axis perpendicular to the shaft of the hydraulic machine can be fixed, or variable to change the displacement of the hydraulic machine.
  • a turn of rotation of the barrel gives each piston a movement in a complete cycle comprising a stroke depending on the angle of inclination of the plate, which is adjustable by a tilt control.
  • the rear face of the barrel, opposite to the tilting plate, is supported on a fixed circular plate closing the end of the cylinders, held by a cover, which comprises low and high pressure collectors.
  • These machines can generally operate as motor or pump.
  • the displacement can be fixed, with an inclination angle of the plate which is constant.
  • These rotating machines usually comprise a casing forming a body containing the cylinders, having a front transverse face of support and attachment to a support, and a rear transverse face receiving the plate having the collectors of the fluid.
  • the support receiving the rotating hydraulic machine has holes each receiving a screw engaged in a bore of a crankcase lug, which is tightened by the screw head or by a nut, bearing against this leg.
  • This type of fastener is dimensioned to obtain a mechanical strength, and a fatigue resistance during the life of the machine.
  • the casing of the machine equipped with this type of attachment comprises vibratory modes that can be activated by the different pulsations during operation of the rotating machine.
  • a problem that arises is that it can be obtained according to the speed of rotation and the hydraulic pressure, siren noise emitted by these vibratory modes.
  • this type of rotating hydraulic machine generally designed for industrial applications, with an acceptable sound level in this area, may be unsuitable for use in a hydraulic hybrid motor vehicle where the noise constraints are important to ensure the comfort of passengers.
  • the EP 1 544 464 shows a hydraulic machine having fastening lugs and separate bosses.
  • the present invention is intended to avoid these disadvantages of the prior art.
  • the rotating hydraulic machine according to the invention may further comprise one or more of the following features, which may be combined with one another.
  • the bosses comprise the two axial ends which are aligned on the front or rear transverse face of the housing.
  • the bosses may comprise a front end recessed relative to the front transverse face.
  • the bosses may also include a rear end set back relative to the rear transverse face.
  • the rear cover may comprise bosses aligned with those of the housing, the axial clamping means passing through these two aligned bosses.
  • the two aligned bosses are supported on one another at the rear transverse face.
  • the invention also relates to a hydraulic hybrid vehicle comprising a traction chain equipped with a rotating hydraulic machine, which comprises any of the preceding characteristics.
  • the figure 1 has a hydraulic machine rotatable in both directions of rotation, comprising a generally cylindrical housing 2 closed on the rear side by a cover 4.
  • the housing 2 and the cover 4 each support a tapered roller bearing 8 guiding an input shaft 6 arranged along the axis of this body.
  • a barrel 12 rotatably connected to the input shaft 6, comprises nine cylinders 14 parallel to the axis and distributed around this axis.
  • Each cylinder 14 contains a piston 16, whose front end is supported by an axial stop 18 on a tilting plate 20 which can pivot about an axis O perpendicular to the input shaft 6, under the effect of a jack hydraulic control 22 and a return spring 26.
  • the rear side of the barrel 12 is supported on a transverse circular plate 24 having orifices arranged in front of low and high pressure collectors formed in the cover 4 which holds this plate, to close the rear end of the cylinders 14.
  • the casing 2 has a transverse front face 28 intended to bear on a support, and lugs 30 projecting laterally from this front face, comprising a small axial height, and each having an axial bore 32 receiving a clamping screw on this support .
  • the casing 2 has an axial length L which is the distance between its front face 28 and the rear face 34 receiving the support of the cover 4.
  • the figure 2 presents a hydraulic machine comprising five visible tabs 30, distributed below, on the left side and above the casing 2, to ensure a regular tightening of the front face of this machine on a support.
  • Each of these legs 30 come cast during molding of the casing 2, has a low height which is calculated to be sufficient to ensure mechanical strength of the machine.
  • the thickness of the wall of the casing 2 is rather thin, this wall has relatively low bending modes of its own which can be excited during operation.
  • the figure 3 has the same hydraulic machine comprising the two lower tabs and the two upper tabs forming an axially elongated boss 40, which extends over the entire length L of the casing 2.
  • bosses 40 protruding laterally outside the cover 4, the rear support face of these bosses is free to receive the support of an axial clamping means on the support, as the head of a screw inserted into the bore 32 , as well as a screwdriver bit.
  • the lug 30 disposed on the left side of the housing 2 does not form an elongated boss, because the volume available behind this lug does not allow the passage of a screwdriver bit.
  • the figure 4 according to the speed of rotation of the input shaft, expressed in rpm on the horizontal axis, the noise emission level expressed in decibels on the vertical axis.
  • Curve 50 presents the sound emission for the hydraulic machine according to the prior art presented figure 2
  • the curve 52 for the modified hydraulic machine according to the invention, presented figure 3 There is a gain of about 5 dB in the speed range between 1000 and 3000 rpm.
  • the figure 5 has a hydraulic machine comprising two bosses 40 comprising a height H equal to the length L of the housing 2, each traversed by an axial clamping screw 60.
  • the figure 6 presents a hydraulic machine having bosses 40 having a front end a little behind the front face 28 of the housing 2, and a rear end also set back from the rear face of this housing.
  • the two bosses 40 have a height H greater than half the length L of the housing 2.
  • the figure 7 presents a hydraulic machine comprising two bosses 40 comprising a height H equal to the length L of the housing 2, each extending rearwardly by an aligned complementary boss 62 disposed on the rear cover 4.
  • Each clamping screw 60 passes through the two bosses aligned 40, 62, which are supported on one another at the rear transverse face 34.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Rotary Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Hydraulic Motors (AREA)
  • Hybrid Electric Vehicles (AREA)
EP15771193.8A 2014-10-02 2015-09-09 Machine hydraulique comprenant des bossages de fixation allonges pour reduire le bruit Active EP3201467B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1459413A FR3026793B1 (fr) 2014-10-02 2014-10-02 Machine hydraulique comprenant des bossages de fixation allonges pour reduire le bruit
PCT/FR2015/052393 WO2016051037A1 (fr) 2014-10-02 2015-09-09 Machine hydraulique comprenant des bossages de fixation allonges pour reduire le bruit

Publications (2)

Publication Number Publication Date
EP3201467A1 EP3201467A1 (fr) 2017-08-09
EP3201467B1 true EP3201467B1 (fr) 2019-02-27

Family

ID=51866276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15771193.8A Active EP3201467B1 (fr) 2014-10-02 2015-09-09 Machine hydraulique comprenant des bossages de fixation allonges pour reduire le bruit

Country Status (6)

Country Link
US (1) US10344755B2 (zh)
EP (1) EP3201467B1 (zh)
JP (1) JP6673907B2 (zh)
CN (1) CN106715901B (zh)
FR (1) FR3026793B1 (zh)
WO (1) WO2016051037A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10947963B2 (en) * 2016-06-06 2021-03-16 Parker-Hannifin Corporation Hydraulic pump with inlet baffle

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3413059C1 (de) 1984-04-06 1985-07-11 Hydromatik GmbH, 7915 Elchingen Axialkolbenmaschine,insbesondere -pumpe der Schraegscheiben- oder Schraegachsenbauart
JP2644412B2 (ja) * 1992-03-26 1997-08-25 川崎重工業株式会社 油圧変速機
US5358388A (en) 1994-01-27 1994-10-25 Eaton Corporation Noise reduction at the second order frequency
JPH10148180A (ja) * 1996-11-20 1998-06-02 Toyota Autom Loom Works Ltd 圧縮機におけるハウジングの連結構造
FR2764947B1 (fr) * 1997-06-23 1999-10-01 Poclain Hydraulics Sa Moteur hydraulique
JP4195529B2 (ja) * 1999-02-01 2008-12-10 サンデン株式会社 片斜板式圧縮機
JP2002225006A (ja) * 2001-01-29 2002-08-14 Kurayoshi Kogei:Kk 作業用寸法形成具及びその使用方法
US20050061143A1 (en) * 2003-01-28 2005-03-24 Koelzer Robert L. Modular swash plate compressor
ITRE20030032U1 (it) * 2003-12-19 2005-06-20 Annovi Reverberi Spa Pompa idraulica perfezionata
JP4702145B2 (ja) * 2006-03-31 2011-06-15 株式会社豊田自動織機 斜板式圧縮機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2016051037A1 (fr) 2016-04-07
JP2017530296A (ja) 2017-10-12
CN106715901A (zh) 2017-05-24
US20170292514A1 (en) 2017-10-12
FR3026793A1 (fr) 2016-04-08
US10344755B2 (en) 2019-07-09
CN106715901B (zh) 2019-10-01
FR3026793B1 (fr) 2019-07-12
EP3201467A1 (fr) 2017-08-09
JP6673907B2 (ja) 2020-03-25

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