WO2016046682A1 - Groupe de soupapes comportant un obturateur à déplacement axial - Google Patents

Groupe de soupapes comportant un obturateur à déplacement axial Download PDF

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Publication number
WO2016046682A1
WO2016046682A1 PCT/IB2015/056869 IB2015056869W WO2016046682A1 WO 2016046682 A1 WO2016046682 A1 WO 2016046682A1 IB 2015056869 W IB2015056869 W IB 2015056869W WO 2016046682 A1 WO2016046682 A1 WO 2016046682A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve group
obturator
pump
cooling liquid
cooling
Prior art date
Application number
PCT/IB2015/056869
Other languages
English (en)
Inventor
Alessandro RAVELLI
Marco Pedersoli
Original Assignee
Industrie Saleri Italo S.P.A.
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 Industrie Saleri Italo S.P.A. filed Critical Industrie Saleri Italo S.P.A.
Priority to CN201580050964.XA priority Critical patent/CN107076167B/zh
Priority to DE112015004301.2T priority patent/DE112015004301T5/de
Publication of WO2016046682A1 publication Critical patent/WO2016046682A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293—Details of fluid inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor

Definitions

  • This invention relates to a valve group for a pump of a cooling circuit for vehicles, such as cars or motorcycles .
  • valve assembly is extractable as a cartridge from the pump is particularly important .
  • valve groups The main problem of said type of valve groups is that of effectively obstructing the passage of cooling liquid in manner that is simple and reproducible over time.
  • the valve units fulfil their function of components for regulating the passage of cooling liquid without, however compromising their life cycles and without burdening the movement means that move the specific components of the valve group suitable for performing said obturation.
  • this obturation must occur so as not to adversely affect the motion of the cooling liquid, for example causing turbulence or cavitation phenomena in the cooling circuit.
  • the purpose of this invention is to provide a valve group suitable to solve and perform said operations of obstructing the fluid in a reliable and effective manner, for example minimising until obturation said cavitation problem typical of the cooling pumps of the state of the art .
  • valve group realised according to claim 1.
  • pump comprising said valve group and by an engine block according to claim 13.
  • FIG. 1 illustrates a top view of a cooling pump comprising the valve group according to this invention, according to a first embodiment
  • FIGS. 2a and 2b represent an example of a cooling pump comprising the valve group according to this invention, shown in Figure 1, in two perspective views in, respectively, an open configuration and a closed configuration;
  • Figures 3a and 3b show, respectively, two section views along the plane V-V and the plane VI-VI present in Figures 2a and 2b;
  • Figure 4 illustrates a perspective view in separate parts of a valve group according to a preferred embodiment
  • Figures 5a and 5b represent two cross-sectional views of the valve group of Figure 4, respectively, with the obturator in an open position and a closed position.
  • reference number 1 indicates a pump of a cooling circuit for vehicles, comprising a pump body 2 and a rotor 4 housed in the pump body 2.
  • the pump 1 is mechanically actuated.
  • the rotor 4 is of the radial type.
  • the pump body 2 is connectable to the cooling circuit of the motor and, in particular, is connectable to a section of aspiration circuit, upstream, from which the liquid is aspirated, and to a section of output circuit, downstream, to which the liquid is fed towards the motor under pressure.
  • the rotor 4 set in rotation about an axis of rotation of the rotor R-R, is suitable to aspirate the cooling liquid from the aspiration section and to send it under pressure to the output section.
  • the pump body 2 Downstream of the rotor, the pump body 2 has a delivery chamber 6, preferably with a volute shape, and at least one delivery duct 8, which extends from the delivery chamber 6.
  • the delivery chamber 6, and the at least one delivery duct 8, are devoid of other openings to further ducts, except the opening of the delivery duct, i.e., the outlet mouth 80 toward the downstream section of the cooling circuit.
  • the pump body 2 comprises a plurality of delivery ducts 8, respectively suitable to allow the flow of cooling liquid in two separate circuits, for example a first specific cooling circuit for cooling the motor, and a second specific cooling circuit for cooling further components comprised in the vehicle.
  • the pump body 2 comprises an outlet mouth 80 through which the cooling liquid exits the pump 1 to enter the cooling circuit, and in particular in its ducts.
  • the outlet mouth 80 is the last section of the output channel 8 of the pump 1 before the ducts of the cooling circuit.
  • the cooling liquid is set in motion by the rotor 4 inside the delivery chamber 6 and then the delivery duct 8 in a tangential direction with respect to the rotor 4. The cooling liquid is then set in motion, inside the delivery duct 8 in a flow direction; preferably, the flow direction is defined by a flow axis F-F.
  • the pump 1, and in particular the pump body 2 presents the outlet mouth 80 in a position such as to extend parallel, or substantially parallel, to the flow axis F-F; in other words, the outlet mouth 80 does not extend transversely to the flow direction and, therefore, at the entrance into the duct of the cooling circuit, the motion of the liquid does not continue in the flow direction.
  • the mouth 80 is formed on a wall that delimits the delivery duct 8.
  • the cooling circuit extends from the pump body 2 transversely from it, i.e., is transversely from the delivery duct 8, for example perpendicularly from said delivery duct 8, consequently, perpendicularly to the flow axis F-F.
  • the pump body 2 in the proximity of said outlet mouth 80, presents a housing compartment 200.
  • the pump body 2 comprises a housing compartment 200 that includes the outlet mouth 80.
  • the housing compartment 200 extends along a main axis X-X.
  • said main axis X-X extends from the outlet mouth 80.
  • the main axis X-X is incident to the flow axis F-F.
  • the main axis X-X is perpendicular to the flow axis F-F.
  • the main axis X-X is parallel to the rotation axis R-R of the rotor.
  • the housing compartment 200 extends frontally from the outlet mouth 80.
  • the pump unit 1 comprises a valve group 10 having the purpose of regulating the passage of cooling liquid set in motion by the rotor 4.
  • valve group 10 is insertable in a manner removable from the housing compartment 200.
  • the valve group 10 has a cartridge structure such as to allow insertion and extraction inside the housing compartment 200.
  • the valve group 10 comprises an obturator 30 suitable to be moved axially along the main axis X-X, in order to perform said regulation of the passage of the cooling liquid.
  • the obturator 30 moveable in:
  • valve group 10 when the valve group 10 is in the closed configuration and, therefore, the obturator 30 is in the closed position, the delivery chamber 6 is closed and the liquid remains in it, for example, maintained agitated by the rotor 4 in rotation.
  • valve group 10 allows the transit of the greatest possible quantity of cooling liquid.
  • the obturator 30, in the closed position is suitable to engage a perimeter rim 81 delimiting the outlet mouth 80.
  • the obturator 30 has a shape such as to sealingly close the outlet 80, for example, it is shaped to replicate the shape of the outlet mouth 80 so as to sealingly engage the rims 81 that delimit it.
  • the obturator 30 is suitable to engage the wall of the delivery duct 8 in which is formed the outlet mouth 80.
  • the obturator 30 comprises a contact lip 31 suitable to engage the rim 81 of the outlet mouth 80 to block the passage of cooling liquid in the closed position.
  • the contact lip 31 replicates the shape of the rim 81 of the outlet mouth 80 to perform said engagement in the closed position of the obturator.
  • the pump body 2, in particular the delivery channel 8 comprises a connection manifold 89, in order to facilitate the engagement with the ducts of the cooling. circuit that are connected to the pump 1.
  • the manifold 89 is consecutive to the outlet mouth 80.
  • the manifold 89 extends parallel to the main axis X-X.
  • the obturator 30 includes a leak-proof seal 32, placed on the contact lip 31.
  • said seal 32 is an O-ring.
  • the obturator 30 comprises a deviation portion 35 suitable, with the obturator 30 positioned in the opening position, to deviate the motion of the cooling liquid, towards the mouth 80.
  • the deviation portion 35 is suitable to deviate the motion of the cooling liquid from the direction substantially parallel to the flow axis F-F to an outlet direction substantially parallel to the main axis X-X.
  • the deviation portion 35 has a curvilinear pattern, identifying a concave shape.
  • the deviation portion 35 is inside the contact lip 31.
  • the deviation portion 35 extends beyond the mouth 80, for example in -the duct of the cooling circuit directly connected with the pump 1 or in the outlet manifold 89, in the embodiment that provides for it.
  • the deviation portion 35 has a tapered pattern as it moves away from the lip 31.
  • valve group 10 also comprises a linear actuator 40 operatively connected to move it between the open position and the closed position.
  • the actuator 40 comprises a drive portion 400 operatively connected to the obturator 30; for example, the drive portion 400 is a shaft operable in translation or an element suitable to perform a movement of roto-translation .
  • the actuator 40 is a component operable mechanically, pneumatically or electrically, to obtain the described linear motion of the obturator 30.
  • valve group 10 also comprises a sealing element 5 suitable to avoid that the cooling liquid comes in contact with the linear actuator 40, in particular with the drive portion 400.
  • the sealing element 5 is suitable to change its shape as a function of the position of the obturator 30; In other words, the sealing element 5 is suitable to protect the actuator 40 from the water and, in particular, its portions in direct contact with the obturator 30, in whatever position the latter is placed, i.e., both when it is moved in the open position and when it is commanded in the closed position.
  • said seal element 5 is a bellows seal.
  • the valve group 10 also comprises a valve body 12, suitable to be housed in the housing compartment 200, extending along the main axis X-X.
  • the obturator 30 is suitable to be slidingly contained inside said valve body 12.
  • the valve body 12 has a shape coupling with the housing compartment 200.
  • the valve body 12 has, in fact, shape and dimensions such as to replicate the shape of the housing compartment 200.
  • the valve body 12 has a cylindrical shape .
  • the valve body 12 comprises side walls 18 in which is formed an inlet opening 188 through which the liquid flows.
  • the valve body 12 comprises a bottom plate 16 in which is formed an outlet opening placed axially facing the mouth 80; according to this embodiment, the obturator 30 in the closed position engages the perimetral edge 168' that delimits the outlet opening 168.
  • valve body 12 to allow the passage of cooling liquid, for example an inlet opening 188 transverse to the flow axis F-F and an outlet opening 168 transverse to the main axis X-X.
  • the obturator 30 directly engages the valve body 12, engaging its edge 168', in the same manner already described with regard to the interaction between the obturator 30 and outlet opening 80, and thus its rim 81 (as, moreover, described in the embodiment shown in the accompanying drawings).
  • the obturator 30 comprises guide elements 39, which extend axially, suitable to engage the housing compartment 200 in the walls that delimit it, or the valve body 12 inside it, so as to guide the obturator 30 in its sliding along the main axis X-X.
  • said guide element 39 replicates, in the axial direction, the shape of the obturator 30 and, in particular, of the lip 31.
  • the cooling pump 1 described above is directly derivable in the engine block of the vehicle in which the cooling circuit is housed.
  • the pump body 2, or a portion of it, is formed directly in the engine block.
  • the pump body 2 consists of two parts, for example two shells, suitable to mutually engage each other, to delimit the rotor chamber, the delivery chamber and the delivery duct.
  • one of said portions, or said shells is formed in the engine block while the second is mounted on it.
  • the pump body 2 is always shown open, for example, only one of said shells is always shown, for example the shell part directly derivable in the engine block of a vehicle.
  • the valve group 10 is insertable, in a removable manner, in cartridge form, from the engine block itself.
  • valve group covered by this invention the cooling pump comprising the valve group, and the engine block comprising the pump, are particularly suited to fulfil the intended purpose, namely that of providing effective and reliable valve groups in the cooling system of a vehicle.
  • the valve group of this invention allows a regulation of the cooling liquid such as not to adversely affect its motion; in other words, advantageously, in its actions on the cooling liquid, the valve group in question causes minimal turbulence or cavitation phenomena in the cooling circuit.
  • a further advantage resides in the fact that the translatory movement along the main axis is favoured by the particular embodiment of the obturator, which is suitable to slide in the direction of the main axis.
  • valve group has a cycle life longer than the life cycles of the valve groups of cooling systems, since it is designed in such a way as to be suitable to protect its means of actuation from the cooling liquid.
  • valve group acts directly on the outlet mouth, transversely to it, making the operations of closing and obturation, simple to manage.
  • the pump, and in particular one shell of the pump body is an integral part of the engine block of an internal combustion engine, thus reducing the overall dimensions inside the vehicle.
  • a further advantageous aspect is also linked to the fact that the obturator is shaped in such a way to favour the motion of the cooling liquid, instead of being an obstacle that the cooling liquid in motion has to circumvent.
  • valve group is positioned, and is movable, directly in the articulation position between outlet channel and ducts of the cooling circuit, thus avoiding its positioning, for example, along said delivery duct.
  • valve group and in particular the duct and the obturator group, have geometry and section such that the motion of the cooling liquid is facilitated, for example, by exploiting the Venturi effect.
  • valve groups having the same valve body, but different obturators can be inserted interchangeably in the pump group according to the needs that may also occur in the course of the life cycle of the car or motorcycle.
  • a further advantageous aspect of such embodiments is therefore to completely unleash the design of the pump, and in particular the housing cavity, from the specific needs of the obturator.
  • valve group does not affect the design of the pump, unlike solutions typical of the prior art, wherein for example the use of butterfly valves imposes particular solutions and techniques on the designer, the pump itself and on the delivery channel.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

L'invention concerne un groupe de soupapes (10) destiné à une pompe (1) d'un circuit de refroidissement pour véhicules. La pompe (1) comprend un corps de pompe (2) comportant un compartiment pour loger le groupe de soupapes (10); sur le fond du boîtier, une embouchure de sortie (80) est formée pour le liquide de refroidissement. Le groupe de soupapes (10) comprend un obturateur (30) pouvant être commandé dans une position ouverte, à distance de l'embouchure (80), permettant au liquide de refroidissement de traverser celle-ci, et une position fermée dans laquelle, par contre, le passage du liquide de refroidissement à travers l'embouchure (80) est bloqué.
PCT/IB2015/056869 2014-09-22 2015-09-08 Groupe de soupapes comportant un obturateur à déplacement axial WO2016046682A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201580050964.XA CN107076167B (zh) 2014-09-22 2015-09-08 阀组、用于车辆的冷却回路的泵以及发动机缸体
DE112015004301.2T DE112015004301T5 (de) 2014-09-22 2015-09-08 Ventilgruppe mit axial bewegbarem Verschluss

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBS20140171 2014-09-22
ITBS2014A000171 2014-09-22

Publications (1)

Publication Number Publication Date
WO2016046682A1 true WO2016046682A1 (fr) 2016-03-31

Family

ID=52130583

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2015/056869 WO2016046682A1 (fr) 2014-09-22 2015-09-08 Groupe de soupapes comportant un obturateur à déplacement axial

Country Status (3)

Country Link
CN (1) CN107076167B (fr)
DE (1) DE112015004301T5 (fr)
WO (1) WO2016046682A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106090375A (zh) * 2016-08-05 2016-11-09 林伟 高密封暖水阀
CN106089736A (zh) * 2016-08-05 2016-11-09 林伟 用于暖水阀中的泵体
DE202016005799U1 (de) 2015-09-24 2017-01-13 Industrie Saleri Italo S.P.A. Pumpenaggregat mit elektrischem Antrieb und mechanischem Antrieb
CN115053054A (zh) * 2019-12-16 2022-09-13 伊希欧1控股有限公司 用于在至少部分电力驱动的车辆内处理流体的装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2194395A1 (fr) * 1972-07-31 1974-03-01 Bosch Hausgeraete Gmbh
GB1487771A (en) * 1973-12-13 1977-10-05 Klein Schanzlin & Becker Ag Combined circulator and mixer for hot water heating systems
JPH11230096A (ja) * 1998-02-12 1999-08-24 Shibaura Mechatronics Corp 圧力調整器
EP1503083A1 (fr) 2003-07-30 2005-02-02 Industrie Saleri Italo S.p.a. Une pompe électrique pour circuits de refroidissement
US20050022879A1 (en) * 2003-05-12 2005-02-03 Robert Bosch Gmbh Valve
CN100462565C (zh) * 2006-05-18 2009-02-18 威乐水泵有限公司 自动泵
DE102008013677A1 (de) * 2008-03-11 2009-09-17 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Kühlmediumpumpe
WO2011095907A1 (fr) 2010-02-08 2011-08-11 Industrie Saleri Italo S.P.A. Pompe de refroidissement pourvue d'un ensemble vanne
WO2012141667A2 (fr) * 2011-04-15 2012-10-18 Faruk Unluaslan Système de commutation pour bloquer la circulation de fluide de refroidissement pour un moteur à combustion interne refroidi par eau

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013011209B3 (de) * 2013-07-04 2014-01-23 Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Regelbare Kühlmittelpumpe
CN203783973U (zh) * 2014-04-17 2014-08-20 温州职业技术学院 一种汽车水泵总成

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2194395A1 (fr) * 1972-07-31 1974-03-01 Bosch Hausgeraete Gmbh
GB1487771A (en) * 1973-12-13 1977-10-05 Klein Schanzlin & Becker Ag Combined circulator and mixer for hot water heating systems
JPH11230096A (ja) * 1998-02-12 1999-08-24 Shibaura Mechatronics Corp 圧力調整器
US20050022879A1 (en) * 2003-05-12 2005-02-03 Robert Bosch Gmbh Valve
EP1503083A1 (fr) 2003-07-30 2005-02-02 Industrie Saleri Italo S.p.a. Une pompe électrique pour circuits de refroidissement
CN100462565C (zh) * 2006-05-18 2009-02-18 威乐水泵有限公司 自动泵
DE102008013677A1 (de) * 2008-03-11 2009-09-17 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Kühlmediumpumpe
WO2011095907A1 (fr) 2010-02-08 2011-08-11 Industrie Saleri Italo S.P.A. Pompe de refroidissement pourvue d'un ensemble vanne
WO2012141667A2 (fr) * 2011-04-15 2012-10-18 Faruk Unluaslan Système de commutation pour bloquer la circulation de fluide de refroidissement pour un moteur à combustion interne refroidi par eau

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016005799U1 (de) 2015-09-24 2017-01-13 Industrie Saleri Italo S.P.A. Pumpenaggregat mit elektrischem Antrieb und mechanischem Antrieb
CN106090375A (zh) * 2016-08-05 2016-11-09 林伟 高密封暖水阀
CN106089736A (zh) * 2016-08-05 2016-11-09 林伟 用于暖水阀中的泵体
CN115053054A (zh) * 2019-12-16 2022-09-13 伊希欧1控股有限公司 用于在至少部分电力驱动的车辆内处理流体的装置

Also Published As

Publication number Publication date
CN107076167B (zh) 2019-04-05
DE112015004301T5 (de) 2017-06-14
CN107076167A (zh) 2017-08-18

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