WO2015137818A1 - Élément de connexion pour un dispositif de chauffage de moteur - Google Patents
Élément de connexion pour un dispositif de chauffage de moteur Download PDFInfo
- Publication number
- WO2015137818A1 WO2015137818A1 PCT/NO2015/050009 NO2015050009W WO2015137818A1 WO 2015137818 A1 WO2015137818 A1 WO 2015137818A1 NO 2015050009 W NO2015050009 W NO 2015050009W WO 2015137818 A1 WO2015137818 A1 WO 2015137818A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- connection
- fluid
- housing
- stub
- engine
- Prior art date
Links
Classifications
-
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/20—Indicating devices; Other safety devices concerning atmospheric freezing conditions, e.g. automatically draining or heating during frosty weather
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/001—Heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/0072—Special adaptations
- F24H1/009—Special adaptations for vehicle systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/121—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using electric energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/139—Continuous flow heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
- F24H9/1827—Positive temperature coefficient [PTC] resistor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
-
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/04—Arrangements of liquid pipes or hoses
-
- 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
- F01P2037/00—Controlling
- F01P2037/02—Controlling starting
-
- 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
- F01P2070/00—Details
- F01P2070/04—Details using electrical heating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/02—Heaters using heating elements having a positive temperature coefficient
Definitions
- the invention concerns heating devices, especially for use in heating a unit in a vehicle or vessel. More specifically, the invention concerns a connection element for engine heater.
- Heating devices for engines for various vehicles or vessels are well known. The purpose of these is to pre-heat the engine by direct or indirect heating of the engine oil or cooling liquid (coolant), such that it starts easier in cold weather and will reduce fuel consumption / exhaust gas related to cold-starting the engine.
- Similar heating devices for other mechanical units in a vehicle or a vessel, such as gearbox, hydraulics system, transmission, are also well known.
- engine heater will mainly be used in the following even if these also may be used for heating other components.
- a variant of such engine heaters comprises a container having a heating element inside.
- the container has an inlet opening and an outlet opening such that the engine coolant hose may be cut and the hose ends be coupled to these openings.
- the engine heater is thereby a part of the engine cooling circuit, and the coolant flowing through the container is heated by the heating element and circulates in the engine cooling circuit.
- This type of engine heater is often referred to as a "hose heater.”
- EP 1 793 103 A describes an engine heater having a container with a thermostat- controlled, electrical, heating element and connection stubs for coolant inlet and outlet.
- EP 2 462 339 Al also describes an engine heater with such a container with connection stubs for hoses, where the heating element is a PTC element ("Positive Temperature Coefficient").
- US 5 408 960 describes an engine heater with a container with an electric, thermostat- controlled, heating element and a pump which drives the coolant in the cooling circuit.
- the container has connection stubs for coolant inlet and outlet.
- Engine heaters with other types of heating elements are also known.
- connection stubs for inlet and outlet, respectively are configured for the hoses for which they are to be connected.
- FIG. 1 shows an engine heater 51 of a type which is known in the art, comprising a container 52 (holding a heating element; not shown), and electric socket 53 (for supplying power to the heating element), as well as an inlet stub 56 and an outlet stub 55 for coolant.
- the stubs are slick pipe stubs (often referred to as "nipples") and provided with a respective flange 57, 54 at their outer ends.
- the cooling system rubber hoses are entered onto the respective flanges and fastened with hose clamps (not shown) or similar fastening means.
- the flange ensures that the fastening means, and thus the hoses, do not slide off the stubs unintentionally.
- the engine heater may also comprise attachment means (not shown) such that it may be attached to the engine or other component.
- An engine heater may only be installed in a cooling system if it does not compromise the cooling circuit.
- the engine heater itself must of course be tight and dimensioned for the pressures and temperatures it may become exposed to. Equally important is it that the couplings between the engine heater and the cooling system hoses are completely tight. This is achieved, already during the design and production process, by adapting the engine heater inlet and outlet stubs to the cooling hose design (e.g. hose quality and diameter) on the engine for which it is designed.
- the cooling hose design e.g. hose quality and diameter
- the invention provides solutions which remedies at least some of the deficiencies of the prior art, and offer in addition further advantages.
- a heating device for heating a fluid for heating a fluid, particularly in a vehicle or vessel, comprising at least one heating element arranged in a housing having a fluid inlet and a fluid outlet; wherein the fluid inlet and the fluid outlet are connected via one or more fluid channels in thermal connection with the heating element; characterized in that at least one of the fluid inlet and the fluid outlet comprises a removable connection stub having a first end with means for releasable connection to the housing and a second, free, end adapted for connection to a hose or to a component in the cooling circuit.
- the heating device comprises a transition piece configured for the housing at the fluid inlet or fluid outlet and comprising connection means for connection to said first end of the connection stub.
- the transition piece is releasably configured for the housing.
- the housing is preferably of a heat conducting material and the connection stub is preferably of a thermally insulating material.
- connection stub is rotatably connected to the housing.
- the heating device may be configured with different replaceable connection stubs.
- the replaceable connection stubs can be configured at installation of the heating device (e.g. by sending more connection stubs than strictly speaking are necessary), or they may be configured at the manufacturing plant.
- the connection stubs may be specific for each car manufacturer, in that they fit with the manufacturer's quick coupling (on the engine) in the one end, and the engine heater at the other end.
- Figure 1 is an illustration of an engine heater of a known type
- Figure 2 is a perspective view of an embodiment of the heating device according to the invention.
- Figure 3 is a perspective view of the heating device shown in figure 2, seen mainly from an end;
- Figure 4 is a perspective view of the heating device shown in figure 2, onto which are connected removable connection stubs according to the invention
- Figure 5 shows a vertical section along the longitudinal axis C in figure 4.
- Figure 6 is an enlargement of the portion D in figure 5, seen from a different perspective
- Figure 7 is a perspective view of a replaceable stub according to the invention.
- Figure 8 is a perspective view of a second embodiment of the replaceable stub according to the invention, in a mounted state on a transition piece;
- Figure 9 is a sectional view (longitudinal section) of the connection stub shown in figure 8.
- Figure 10 corresponds to figure 8, but shows the stub in a connected, unlocked state, where the locking element is removed;
- Figure 11 is a perspective view of the transition piece.
- Figure 12 is a perspective view of the removable connection stub shown in figures 8-10. Detailed description of preferential embodiments
- FIG. 2 shows an embodiment of the heating device according to the invention, in a state where the replaceable stubs are not mounted.
- a mainly tubular-shaped housing 1 has a first fluid opening 4a and a second fluid opening 4b and internal channels that allow fluid flow between the fluid openings.
- Each of the fluid openings may be connected to respective hoses (not shown) via replaceable connection stubs in a manner which is described below, such that the heating device is an integral part of for example a coolant circuit in a combustion engine. It should be understood that fluid may flow in either one or the other direction through the housing. Which one of the fluid openings 4a,b being the inlet opening and the outlet opening, respectively, therefore depends on the application of the heating device and is without consequence for the invention as such.
- the housing 1 is preferably of a material having good thermal conductivity. A suitable material is aluminium.
- the housing 1 has in the illustrated embodiment a mainly circular cross-section, and has a base 17 to which a cover 2 is attached in a manner which is known per se, e.g. by means of screws 8 through a flange 9 on the cover.
- the figure also shows a gasket 10 between the flange 9 and the base 17.
- a socket 3 for connection to electrical wires (not shown) in a connection chamber 27 (see figure 5) for connection to a heating element.
- the socket 3 is aligned with the housing longitudinal axis, which is advantageous for installation and servicing.
- FIG 3 shows that the housing, between the fluid openings 4a,b, comprises to separated fluid conduits 6a,b.
- Each fluid conduit 6a,b is defined by a respective inner portion of the housing wall (which in the illustrated embodiment is circular-arc shaped) and a respective inner partition wall (only partition wall 12b is shown in figure 3) which in the illustrated embodiment extends between a housing upper portion and a housing lower portion.
- Between the partition walls is a chamber 13 (see also figure 5).
- the partition walls are interconnected at their leading edges and trailing edges by respective end walls 5a.
- the end walls 5a are preferably rounded or streamline-shaped in order to reduce fluid drag and resulting loss of pressure when fluid flows through the housing.
- FIG 4 shows the heating device as illustrated in figure 2, but having connected to it an embodiment of the removable and replaceable connection stubs 18.
- the connection stubs have respective flanges 19 at their free ends, which are connectable to the cooling system hoses.
- An advantage with such replaceable connection stubs is that the free ends may be dimensioned and shaped such that they fit different hose dimensions and/or couplings (i.e. the flanges may be substituted by other geometries and connection mechanisms, such as quick-couplings).
- the same heating device may thus be used with different hose systems, such as manufacturer-specific dimensions and/or couplings, merely by replacing the connections stubs 18.
- FIG. 5 shows that the heating device has a chamber 13 which is configured for reception of a heating element 7, in the illustrated embodiment a so-called PTC element.
- PTC elements Platinum Temperature Coefficient
- the PTC element 7 is connected to the socket 3 via wires (not shown).
- the connection stubs 18 have respective internal channels 29 such that a fluid connection is formed with the above- mentioned fluid openings 4a,b.
- connection stub 18 shows how the connection stub 18 is mounted to the housing.
- the connection stub has a ring flange 22 and an O-ring 21 arranged in a groove 34 on the stub.
- the O-ring seals against the internal wall of the fluid opening 4a and a locking ring 20 keeps the connection stub 18 in place in the axial direction.
- the connection stub is thus rotatably connected to the housing.
- Figure 7 shows the connection stub 18, disconnected from the heating device.
- connection stub 18' Another embodiment of the connection stub 18' according to the invention will now be described with reference to figures 8-12.
- connection stub 18' is angled such that the internal fluid channel 29' changes direction with 90° with respect to the fluid opening 4a'.
- the connection stub 18' is connected to a transition piece 30 and is held in place by a flexible clip 28.
- the transition piece 30 is in the illustrated embodiment configured with an end 31 for assembly in a housing on a heating device (not shown in figure 8). It shall be understood that the transition piece 30 may be a separate part as shown in figures 8- 11, or be fixedly integrated (i.e. a part of) the heating device housing.
- connection stub 18' is held in place in the transition piece 30 by the clip 28 passing through slits 32 in the transition piece and into a groove 34' which is defined by two raised ring portions 33.
- the connection stub is thus connected to the transition piece 30 - and thus to the heating device housing.
- the connection piece is rotatable around the longitudinal axis C.
- An O-ring 21 ensures sealing between the connection stub 18' and the transition piece 30.
- connection stub according to the invention may have other angles than those that are shown here.
- the connection stub may have any geometrical shape, adapted to the use.
- the connection stub may also have a length which renders hoses superfluous.
- the connection stub may be considerably longer than the illustrated embodiment, and may thus be connected directly to the next component in the cooling circuit.
- the connection stub according to the invention is preferably made of a thermally insulating materials, such as a thermoplastic material (e.g. PPS, PPA).
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
L'invention concerne un dispositif de chauffage destiné à chauffer un fluide, en particulier dans un véhicule ou un vaisseau, ledit dispositif comprenant au moins un élément chauffant (7) agencé dans un boîtier (1) comportant une entrée de fluide (4a) et une sortie de fluide (4b). L'entrée de fluide et la sortie de fluide sont raccordées par l'intermédiaire d'un ou plusieurs canaux de fluide (6a, 6b) en connexion thermique avec l'élément chauffant (7). L'entrée de fluide et/ou la sortie de fluide comprennent un manchon de raccordement amovible (18 ; 18') comportant une première extrémité ayant des moyens (21, 22, 34) pour permettre un raccordement amovible au boîtier (1) et une seconde extrémité, libre, (19) adaptée pour permettre un raccordement à un tuyau souple et/ou à un composant. Le boîtier est composé d'un matériau thermoconducteur et le manchon de raccordement est composé d'un matériau thermoisolant.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20140329A NO20140329A1 (no) | 2014-03-13 | 2014-03-13 | Tilkoplingselement for motorvarmer |
NO20140329 | 2014-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015137818A1 true WO2015137818A1 (fr) | 2015-09-17 |
Family
ID=52574404
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NO2015/050009 WO2015137818A1 (fr) | 2014-03-13 | 2015-01-16 | Élément de connexion pour un dispositif de chauffage de moteur |
PCT/NO2015/050048 WO2015137822A1 (fr) | 2014-03-13 | 2015-03-10 | Ensemble élément chauffant |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NO2015/050048 WO2015137822A1 (fr) | 2014-03-13 | 2015-03-10 | Ensemble élément chauffant |
Country Status (2)
Country | Link |
---|---|
NO (1) | NO20140329A1 (fr) |
WO (2) | WO2015137818A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE541153C2 (sv) * | 2016-05-24 | 2019-04-16 | Calix Ab | Elektrisk värmare för kylvätska i en motor |
CN110595055A (zh) * | 2019-08-12 | 2019-12-20 | 江苏金坛绿能新能源科技有限公司 | 电动汽车水加热装置及电动汽车 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0629806A2 (fr) * | 1993-06-08 | 1994-12-21 | KÜHNER GmbH & CIE | Raccord pour conduits pour fluides frigorigènes |
US5408960A (en) | 1994-05-05 | 1995-04-25 | Woytowich; Walter J. | Pre-heater for liquid-cooled internal combustion engines |
WO1999047805A1 (fr) * | 1998-03-19 | 1999-09-23 | Phillips & Temro Industries Inc. | Dispositif de chauffage d'un systeme d'aspiration des gaz du carter, et procede de fabrication associe |
WO2001054459A1 (fr) * | 2000-01-21 | 2001-07-26 | Calix Automotive Ab | Dispositif chauffant pour liquide |
WO2005103551A1 (fr) * | 2004-04-23 | 2005-11-03 | Henn Gmbh & Co. Kg | Procede pour realiser une fiche de connexion, et fiche de connexion |
EP1793103A2 (fr) | 2005-12-02 | 2007-06-06 | Calix AB | Dispositif |
EP2418361A2 (fr) * | 2010-08-09 | 2012-02-15 | DBK David + Baader GmbH | Dispositif d'acheminement de fluide |
EP2462339A1 (fr) | 2009-08-04 | 2012-06-13 | Calix AB | Dispositif de chauffage électrique pour véhicules |
WO2014016331A1 (fr) * | 2012-07-26 | 2014-01-30 | Mann+Hummel Gmbh | Dispositif de chauffage pour une conduite de fluide |
-
2014
- 2014-03-13 NO NO20140329A patent/NO20140329A1/no not_active Application Discontinuation
-
2015
- 2015-01-16 WO PCT/NO2015/050009 patent/WO2015137818A1/fr active Application Filing
- 2015-03-10 WO PCT/NO2015/050048 patent/WO2015137822A1/fr active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0629806A2 (fr) * | 1993-06-08 | 1994-12-21 | KÜHNER GmbH & CIE | Raccord pour conduits pour fluides frigorigènes |
US5408960A (en) | 1994-05-05 | 1995-04-25 | Woytowich; Walter J. | Pre-heater for liquid-cooled internal combustion engines |
WO1999047805A1 (fr) * | 1998-03-19 | 1999-09-23 | Phillips & Temro Industries Inc. | Dispositif de chauffage d'un systeme d'aspiration des gaz du carter, et procede de fabrication associe |
WO2001054459A1 (fr) * | 2000-01-21 | 2001-07-26 | Calix Automotive Ab | Dispositif chauffant pour liquide |
WO2005103551A1 (fr) * | 2004-04-23 | 2005-11-03 | Henn Gmbh & Co. Kg | Procede pour realiser une fiche de connexion, et fiche de connexion |
EP1793103A2 (fr) | 2005-12-02 | 2007-06-06 | Calix AB | Dispositif |
EP2462339A1 (fr) | 2009-08-04 | 2012-06-13 | Calix AB | Dispositif de chauffage électrique pour véhicules |
EP2418361A2 (fr) * | 2010-08-09 | 2012-02-15 | DBK David + Baader GmbH | Dispositif d'acheminement de fluide |
WO2014016331A1 (fr) * | 2012-07-26 | 2014-01-30 | Mann+Hummel Gmbh | Dispositif de chauffage pour une conduite de fluide |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE541153C2 (sv) * | 2016-05-24 | 2019-04-16 | Calix Ab | Elektrisk värmare för kylvätska i en motor |
CN110595055A (zh) * | 2019-08-12 | 2019-12-20 | 江苏金坛绿能新能源科技有限公司 | 电动汽车水加热装置及电动汽车 |
Also Published As
Publication number | Publication date |
---|---|
WO2015137822A1 (fr) | 2015-09-17 |
NO20140329A1 (no) | 2015-09-14 |
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