EP2242934A1 - Systèmes d'alimentation en fluides - Google Patents

Systèmes d'alimentation en fluides

Info

Publication number
EP2242934A1
EP2242934A1 EP09703757A EP09703757A EP2242934A1 EP 2242934 A1 EP2242934 A1 EP 2242934A1 EP 09703757 A EP09703757 A EP 09703757A EP 09703757 A EP09703757 A EP 09703757A EP 2242934 A1 EP2242934 A1 EP 2242934A1
Authority
EP
European Patent Office
Prior art keywords
air
supply system
fluid
conduit
tubular stiffening
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.)
Granted
Application number
EP09703757A
Other languages
German (de)
English (en)
Other versions
EP2242934B1 (fr
Inventor
Georg Frank
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.)
AGCO GmbH and Co
Original Assignee
AGCO GmbH and Co
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 AGCO GmbH and Co filed Critical AGCO GmbH and Co
Publication of EP2242934A1 publication Critical patent/EP2242934A1/fr
Application granted granted Critical
Publication of EP2242934B1 publication Critical patent/EP2242934B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/042—Controlling the temperature of the fluid
    • F15B21/0423—Cooling
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/048—Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits

Definitions

  • This invention relates to a fluid supply system on a tractor such as systems used to supply pressurised air to actuate functions on the tractor.
  • Such air supply systems typically comprise a compressor which is connected with a storage tank in which the pressurised air is stored.
  • planar support members carried on the tractor chassis for carrying such items as fuel tanks, batteries and other components.
  • planar support members not only support the components but also protect the components from blows from beneath during use of the tractor which is especially important for fuel tanks and the like.
  • planar support members hereinafter referred to as being of the kind described, may comprise a plate-like member at least partially surrounded by a tubular stiffening member which is secured to the periphery of the plate-like member.
  • a fluid supply system which includes a conduit through which fluid flows in the system, the system being characterised in that at least part of the conduit is provided by the tubular stiffening member of a support member of the kind described so that the fluid is cooled as it passes through the tubular stiffening member.
  • the invention is preferably used to supply pressurised air and comprises an air compressor, a tank to receive the pressurised air from the compressor, a conduit connecting the compressor and tank, and a drier to remove moisture from the air as it passes from the compressor to the tank, the air being cooled as it passes through the tubular stiffening member.
  • the present invention can also be used to supply coolant to a vehicle engine or pressurised hydraulic fluid to a hydraulic valve or hydraulic consumer.
  • Figure 1 shows a plan view of part of a tractor fitted with an air supply system in accordance with the present invention
  • Figure 2 shows a side view of the tractor of Figure 1 ;
  • Figure 3 shows a perspective view of the air supply system of Figure 1 .
  • Figure 4 shows a cross-section on the line X-X of Figure 1.
  • a tractor chassis 10 comprises an engine block 1 1 , transmission 12 and back axle 13.
  • Mounted on the chassis 10 is a pair of support members 14 and 15 which are carried on cross beam 16 which is supported from beneath the chassis.
  • Each support member comprises a flat support plate 14a, 15a which is surrounded by a tubular stiffening member 14b, 15b respectively.
  • the stiffening members are welded or otherwise secured to the periphery of the plates 14a, 15a as can be seen from Figure 4.
  • the support members i4 and 15 are used to mount on the chassis such items as fuel tanks, batteries and other components and not only support these components but protect them against blows from beneath during use of the tractor. This is particularly important in relation to fuel tanks.
  • an air supply system which comprises a compressor 17 mounted on the engine block 1 1, an air storage tank 18 mounted on the transmission 12 and an air drier 19 mounted on the side of the transmission 12. These components are connected by a conduit 20.
  • a first portion 20a of the conduit connects the compressor 17 with an end 14c of the tubular stiffening member 14b. Air then flows from conduit portion 20a around the stiffening member 14b and into the section 20b of the conduit. Air then flows from section 20b into the end 15c of the tubular stiffening member 15b and then exits from the stiffening member 15b via conduit 20c to enter the drier 19. From the drier 19 air passes via conduit 2Od to the storage tank 18.
  • the ends of the tubes 14b and 15b are secured to the cross beam 16 by brackets 14d and 15d respectively.
  • the storage tank 18 is used to supply pressurised air for a variety of potential uses such as, for example, tractor or trailer air braking systems, tractor cab suspension systems and air operated implements such as seed drills.
  • the total length of the conduit 20 connecting the compressor 17 with the storage tank 18 is therefore of considerable length being approximately typically six meters in length. This ensures that heating of the air as it is pumped from the compressor to the storage tank is reduced by dissipation of the heat from the conduit 20 to the ambient air.
  • the present invention thus provides the simple but efficient method of cooling the compressed air which utilises an existing tubular stiffening member which surrounds each support member 14, 15 and through which the compressed air passes on its way from the compressor 17 to the storage tank 18.
  • the existing tubular stiffening members 14b, 15b could be used as part of the conduit to connect the compressor and storage tank which is the essence of the present invention.
  • the invention can also be used for other uses, for example, in systems for supplying coolant to a vehicle engine ⁇ r for supplying pressurised hydraulic fluid to a hydraulic valve or hydraulic consumer. In such systems the fluid is again cooled as it passes through the stiffening members 14b, 15b.
  • a fluid supply system on a tractor includes a conduit through which fluid flows such as compressed air or hydraulic fluid. At least part of the conduit is provided by the tubular stiffening member of a planar support member so that the fluid is cooled as it passes through the tubular stiffening member.
  • the invention thus provides a simple but efficient method of cooling fluid by utilising, an often existing, tubular stiffening member which surrounds a planar support member.

Abstract

La présente invention concerne un système d'alimentation en fluides équipant un tracteur. Ce système comprend un conduit (20) servant au passage de fluide tel qu'air comprimé ou fluide hydraulique. Une partie au moins du conduit est constituée du tube raidisseur (14b, 15b) d'un élément support plan (14, 15) de façon que le fluide refroidisse lors de son passage dans le tube raidisseur. L'invention propose ainsi un procédé simple mais efficace de refroidir le fluide par utilisation d'un tube raidisseur, souvent déjà présent autour d'un élément support plan.
EP09703757.6A 2008-01-23 2009-01-12 Systèmes d'alimentation en fluides Active EP2242934B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0801152.0A GB0801152D0 (en) 2008-01-23 2008-01-23 Fluid supply systems
PCT/EP2009/000119 WO2009092521A1 (fr) 2008-01-23 2009-01-12 Systèmes d'alimentation en fluides

Publications (2)

Publication Number Publication Date
EP2242934A1 true EP2242934A1 (fr) 2010-10-27
EP2242934B1 EP2242934B1 (fr) 2013-05-29

Family

ID=39166168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09703757.6A Active EP2242934B1 (fr) 2008-01-23 2009-01-12 Systèmes d'alimentation en fluides

Country Status (3)

Country Link
EP (1) EP2242934B1 (fr)
GB (1) GB0801152D0 (fr)
WO (1) WO2009092521A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109534027A (zh) * 2018-12-29 2019-03-29 中国重汽集团青岛重工有限公司 大型运输机装卸平台车

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE503146C2 (sv) * 1994-07-14 1996-04-01 Scania Cv Ab Fläktring med värmeväxlare för en förbränningsmotor
DE10034480A1 (de) * 2000-07-15 2002-01-24 Man Nutzfahrzeuge Ag Vorrichtung zur Kühlung der Druckluft in einem Nutzfahrzeug
DE102004036037B4 (de) * 2004-07-24 2006-08-31 Daimlerchrysler Ag Kraftfahrzeug

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009092521A1 *

Also Published As

Publication number Publication date
WO2009092521A1 (fr) 2009-07-30
EP2242934B1 (fr) 2013-05-29
GB0801152D0 (en) 2008-02-27

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