Source: https://patents.google.com/patent/JP5048187B2/en
Timestamp: 2020-08-03 18:44:14
Document Index: 606678612

Matched Legal Cases: ['art 17', 'art 19', 'art 10', 'art 29', 'art 25', 'art 29', 'art 12', 'art 18', 'art 20', 'art 26']

JP5048187B2 - Oil cooling and / or temperature control device - Google Patents
Oil cooling and / or temperature control device Download PDF
JP5048187B2
JP5048187B2 JP2001119314A JP2001119314A JP5048187B2 JP 5048187 B2 JP5048187 B2 JP 5048187B2 JP 2001119314 A JP2001119314 A JP 2001119314A JP 2001119314 A JP2001119314 A JP 2001119314A JP 5048187 B2 JP5048187 B2 JP 5048187B2
JP2001119314A
JP2002031218A (en
オレスヒャー エルビン
フルンツェッティ バルブ
ベール テルモト−トロニク ゲゼルシャフト ミット ベシュレンクテル ハフツング
2000-04-18 Priority to DE10019029:4 priority Critical
2000-04-18 Priority to DE10019029.4A priority patent/DE10019029C5/en
2001-04-18 Application filed by ベール テルモト−トロニク ゲゼルシャフト ミット ベシュレンクテル ハフツング filed Critical ベール テルモト−トロニク ゲゼルシャフト ミット ベシュレンクテル ハフツング
2002-01-31 Publication of JP2002031218A publication Critical patent/JP2002031218A/en
2012-10-17 Publication of JP5048187B2 publication Critical patent/JP5048187B2/en
2013-01-04 First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7639065&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP5048187(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
238000001816 cooling Methods 0.000 title claims description 7
239000003507 refrigerant Substances 0.000 claims description 42
F01M5/005—Controlling temperature of lubricant
F01M5/007—Thermostatic control
F16H57/0405—Monitoring quality of lubricant or hydraulic fluids
F16H57/0417—Heat exchangers adapted or integrated in the gearing
The invention comprises a heat exchanger that is flowed by oil, to which the cooled and / or hot refrigerant of the internal combustion engine can be supplied via at least one valve, to which the valve is fed. The present invention relates to a cooling and / or temperature control device for oil, particularly transmission oil for a vehicle drive device, to which a constant temperature working member immersed in oil is attached.
A device for cooling transmission oil in a vehicle drive device is known from European Patent Publication EP0916816A1. In this known structure, a cover is provided, which is fixed to the heat exchanger and has an inlet for the engine refrigerant and leads to the refrigerant inlet of the heat exchanger. ing. A valve is disposed between the inflow portion and the refrigerant inlet, and the valve is operated by a constant temperature working member. The housing of the constant temperature working member protrudes into the oil passage of the heat exchanger.
A device for adjusting the temperature of the transmission oil is also known from EP 0 787 929 A2, in which the housing of a constant temperature working member is arranged in the oil inlet for the heat exchanger. The working piston of this constant temperature working member operates two valves: a valve that controls the supply of cooled refrigerant to the heat exchanger and another valve that controls the supply of uncooled refrigerant to the heat exchanger. To do.
The object of the invention is to form a device of the kind mentioned at the outset in such a way that it requires as little built-in space as possible.
The problem is that the heat exchanger is provided with a component part that can be mounted in a flange shape, and the component part has an oil passage that can be connected to the oil outlet of the heat exchanger. A working member housing is disposed, the working piston of the working member being coupled to a valve housed in the component, the valve being at least one inlet of the component for the coolant; Designed for equal temperature, placed between the inlets of the components to the heat exchanger, arranged side by side, with their housings projecting into the oil passages, and each working piston acting on the same extension This is solved by providing the two constant temperature working members .
Since this type of flange-shaped component can be formed extremely flat, the function can be easily realized without requiring a larger installation space.
In the embodiment of the present invention, the flange-shaped component is formed as a holding member for the heat exchanger. In this case, the flange-shaped component is used as a holding member, for example, and the heat exchanger is attached to an oil pan or the like by the holding member.
Other features and advantages of the invention will become apparent from the following description, taken in conjunction with the dependent claims and the embodiments shown in the drawings.
1 and 2, the flange-shaped component 10 formed as a metal synthetic resin part has a fixed eye 11, and the cover plate of the heat exchanger 14 using the bolt 13 by the fixed eye. 12 can be fixed. The component further has another fixed eye 15 which can be fixed to the vehicle component, in particular to the oil pan, using another bolt 16. The heat exchanger 14 is used as an oil cooler, and the temperature of the oil in the automobile transmission can be adjusted by the oil cooler.
The component 10 is provided with an inflow 17 for transmission oil, which is connected to the oil inlet of the cover plate 12 of the heat exchanger 14 in a manner not shown. The cover plate 12 further has an oil outlet from which an oil passage 18 of the component 10 that can be seen from the outside in FIG. The oil passage 18, also shown in FIG. 2, is drilled in the component 10 as a kind of groove and is closed by the cover plate 12. The oil passage 18 is sealed by a seal 20 that goes around the cover plate 12.
A housing 21 of a constant temperature working member 22 projects into the oil passage 18 and is formed in a known manner and has an elongated material, in particular a wax compound, inside. The constant temperature working member housing 21 is inserted into the seat 23 and sealed against the oil passage 18 by two seal rings 23 that make one round. Between the seal rings 23, the housing 21 of the constant temperature working member 22 is fixed by a known bow spring inserted from the outside.
The inflow part 17 and the reflux part 19 for the transmission oil are arranged in the region of one end face of the component part 10. The housing 21 of the constant temperature working member 22 is inserted into a passage 24 opened from the end surface side to the opposite end surface side. An extension 25 for the working piston 26 of the constant temperature working member 22 is disposed in the passage 24. The extension portion 25 is provided with a valve plate 27 of the first valve, and a valve seat 28 is provided on the side of the valve plate facing the constant temperature working member 22. A guide portion 29 is inserted into the end of the passage 24, the guide portion being sealed outwardly by a seal ring 30 and similarly fixed to the component 10 by means of a bow spring 31 as is known. Yes. This guide part 29 is used as an axial guide for the extension part 25. A biased return spring 32 for the working piston 26 is arranged between the valve plate 27 and the guide portion 29.
On the extension 25, a valve disc 33 of another valve is arranged, to which the valve seat 34 formed by the guide portion 29 corresponds. The valve tray 33 of the second valve is slidably disposed on the extended portion 25 and is supported by the fixing ring by an overtravel spring 35. A mixing chamber 36 is arranged between the two valves 27, 28 and 33, 34, and this mixing chamber is connected to the heat exchanger 14 by a refrigerant inlet 37. The refrigerant inlet 37 is sealed with respect to the cover plate 12 by a seal ring 38.
A first refrigerant inflow portion 39 is connected to the refrigerant passage 24. The refrigerant inflow portion is connected to a refrigerant cooler by a method not shown in the drawing, and the refrigerant of the internal combustion engine cooled through the refrigerant passage 24 is heated. It can be supplied to the exchanger 14. The second inflow portion is formed by the guide portion 29, and the guide portion is directly connected to the refrigerant outlet of the internal combustion engine, so that warm or hot refrigerant is supplied through the inflow portion. The heat exchanger 14 is further provided with a refrigerant recirculation unit 40.
The first valves 27, 28 remain closed and the second valves 33, 34 at the oil outlet of the heat exchanger 14, ie in the oil passage 18, while the transmission oil does not reach the desired minimum temperature. Is open. The heat exchanger is thus supplied with a warmed or hot refrigerant of the internal combustion engine via a guide part 29 used as an inlet. As soon as the transmission oil reaches the desired temperature, the working piston 26 moves out so that the valves 27, 28 are partially opened and the valves 33, 34 are partially closed. In this case, the constant temperature working member 22 controls the refrigerant flow flowing from the refrigerant cooler on the one hand and from the engine to the mixing chamber 36 on the other hand so that the transmission oil temperature is kept as constant as possible. When the drive temperature desired for the transmission oil is exceeded, the working piston 26 moves further out so that the valves 33, 34 are closed. In that case only pure cooling action is given.
For safety reasons, two constant temperature working members 22 arranged in parallel with each other and acting in the same direction are provided. For this purpose, two sheets for the housing 21 of the isothermal working member 22 are arranged side by side in a manner not shown, both projecting into the oil passage 18 and both working pistons 26 thereof. Acts on a suitably shaped extension 25. This ensures that the cooling function is maintained, for example, even if one of the thermostatic working members fails due to damage to the stretch material.
FIG. 1 shows a flange-shaped component that can be mounted between an oil pan of a motor vehicle drive and a heat exchanger for adjusting the temperature of transmission oil.
FIG. 2 is a cross-sectional view taken along line II-II in FIG. 1, showing a heat exchanger held by a flange-shaped component.
DESCRIPTION OF SYMBOLS 10 ... Component part 12 ... Cover plate 14 ... Heat exchanger 17 ... Oil inflow part 18 ... Oil passage 19 ... Oil recirculation part 20 ... Seal 21 ... Housing 22 ... Constant temperature working member 23 ... Seal ring 24 ... Refrigerant passage 25 ... Extension part 26 ... Working piston 27 ... Valve plate 28 ... Valve seat 29 ... Guide portion 32 ... Return spring 33 ... Valve plate 34 ... Valve seat 35 ... Overtravel spring 36 ... Mixing chamber 37 ... Refrigerant inlet 39 ... First refrigerant inflow portion 40 ... Refrigerant recirculation part
In a device for cooling and / or adjusting the temperature of oil, in particular transmission oil of a vehicle drive, this device comprises:
A heat exchanger (14) which is flowed by oil, wherein the cooled and / or hot refrigerant of the internal combustion engine can be supplied via first and second valves (27, 28; 33, 34). A heat exchanger (14);
A the heat exchanger (14) capable of components attached to the flange shape (10), wherein the component is have a connectable oil passage (18) to the oil outlet of the heat exchanger, component (10 ) And
Two isothermal working members (22) attached to the first and second valves, which are immersed in oil;
In an apparatus comprising:
The two thermostatic working element (22) is arranged to each other, are designed equal temperature,
At least one refrigerant passage (24) is perforated in the component (10);
Each constant temperature working member (22) includes an extension part (25) for operating the first and second valves, a work piston (26) connected to the extension part (25), and the work piston (26). A housing (21) connected to the
Said housing (21) has projecting into the oil passage (18) inside,
An end of the refrigerant passage extends into the oil passage (18), and a seat for the housing (21) protruding into the oil passage (18) is formed in the component (10). ,
Said extension portion (25), said accommodated in the refrigerant passage (24) in the first and second valves of the component (10); and combined with (27, 28 33, 34), wherein at least one inlet of said components for the first and second valve refrigerant (10) and (29, 39), the refrigerant inlet of the component to the heat exchanger (14) (10) ( 37), and
The first valve (27, 28) is attached to the constant temperature working member (22), and the first valve is connected to the heat exchanger (14) until the minimum oil temperature is reached. Blocking the supply of cooled refrigerant,
The second valve (33, 34) is attached to the constant temperature working member (22), and the second valve is configured so that when the oil reaches a preset temperature, the heat exchanger (14) A device for cooling and / or adjusting the temperature of the oil, characterized in that the supply of hot refrigerant to the (14) is blocked .
2. Device according to claim 1, characterized in that the flange-shaped component (10) is formed as a holding member for the heat exchanger (14).
The refrigerant inflow part (39) coming from the refrigerant cooler for the first valve (27, 28), and for the second valve (33, 34) the inflow part for refrigerant coming from the internal combustion engine ( 29) is attached,
A mixing chamber (36) is provided between the first valve and the second valve, and a refrigerant inlet (37) for the refrigerant to the heat exchanger (14) is connected to the mixing chamber. The device according to claim 1 or 2 , characterized in that
Component (10) according to any one of claims 1 to 3, characterized in that the molded part.
Guide portion to the refrigerant passage (24) in (29) is inserted, the guide portion, the axial guide formed for the extension (25), and working piston in said guide portion (26) apparatus according to claim 1, any one of 4 to return spring (32), characterized in that the act for.
The extension (25) is provided with Bensara (27), on the side facing the thermostatic working element (22) of the valve pan, claim, characterized in that the valve seat (28) is attached 5 The device described in 1.
A second valve plate (33) is arranged on the extension part (25), which corresponds to the valve seat (34) formed by the guide part (29). Apparatus according to claim 5 or 6 .
A mixing chamber (36) for the refrigerant is provided between the two valve seats (28, 34), and a refrigerant inlet (37) from the mixing chamber to the heat exchanger (14) is led. 8. The device according to claim 7 , wherein:
The refrigerant connecting portion formed by the guide portion (29) is connected to the engine outlet, and the inflow portion (39) opened between the housing of the constant temperature working member and the first valve (27, 28) is connected to the refrigerant cooler. 9. A device according to any one of claims 5 to 8 , characterized in that
The housing of the thermostatic working element (22) projects into the oil passage (18) is any one of claims 1 to 9, characterized in that it is connected to an oil outlet of the heat exchanger (14) The apparatus according to item 1.
JP2001119314A 2000-04-18 2001-04-18 Oil cooling and / or temperature control device Active JP5048187B2 (en)
DE10019029:4 2000-04-18
DE10019029.4A DE10019029C5 (en) 2000-04-18 2000-04-18 Device for cooling and / or tempering oil
JP2002031218A JP2002031218A (en) 2002-01-31
JP5048187B2 true JP5048187B2 (en) 2012-10-17
ID=7639065
JP2001119314A Active JP5048187B2 (en) 2000-04-18 2001-04-18 Oil cooling and / or temperature control device
US (1) US6401670B2 (en)
JP (1) JP5048187B2 (en)
KR (1) KR100542143B1 (en)
DE (1) DE10019029C5 (en)
ES (1) ES2199017B1 (en)
FR (1) FR2807818B1 (en)
GB (1) GB2363841B (en)
IT (1) ITMI20010752A1 (en)
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2001-04-04 KR KR1020010018066A patent/KR100542143B1/en active IP Right Grant
2001-04-06 IT IT2001MI000752A patent/ITMI20010752A1/en unknown
2001-04-16 ES ES200100869A patent/ES2199017B1/en not_active Expired - Fee Related
2001-04-17 FR FR0105174A patent/FR2807818B1/en active Active
2001-04-18 GB GB0109459A patent/GB2363841B/en active Active
2001-04-18 US US09/837,080 patent/US6401670B2/en active Active
2001-04-18 JP JP2001119314A patent/JP5048187B2/en active Active
ITMI20010752A1 (en) 2002-10-07
ES2199017A1 (en) 2004-02-01
US6401670B2 (en) 2002-06-11
ITMI20010752D0 (en) 2001-04-06
DE10019029C5 (en) 2017-11-23
JP2002031218A (en) 2002-01-31
KR100542143B1 (en) 2006-01-10
GB2363841A (en) 2002-01-09
DE10019029B4 (en) 2012-10-04
DE10019029A1 (en) 2001-10-31
GB0109459D0 (en) 2001-06-06
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2011-10-26 A601 Written request for extension of time
2011-10-31 A602 Written permission of extension of time
2012-06-08 TRDD Decision of grant or rejection written