US6357541B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circulation apparatus for coolant in vehicle
Assignee: Mitsubishi Heavy Industries Ltd
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Filing: 1999-06-07
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Granted: 2002-03-19
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Expires: 2019-06-07
Abstract
Abstract A circulation apparatus for coolant in a vehicle, wherein a feature of the invention is that with a circulation apparatus for coolant in a vehicle, it is separated into a coolant circulation system having a first radiator 8 for an engine cooling, and a coolant circulation system having a second radiator 9 for electric motor and engine equipment cooling. With the second radiator 9 , various apparatus to be cooled, namely the drive motor and engine equipment are cooled, and there is provided circulation quantity control devices 53, 54, 57 for controlling the quantity of coolant circulated to the various apparatus to be cooled.
Inventors
- 👤 Kenji Matsuda
- 👤 Toyotaka Hirao
- 👤 Hiroshi Mizutani
- 👤 Gregory A. Major
- 👤 June Bian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:14
CPC Classifications
F; F01; F01P; F01P9/00; B; B60; B60K; B60K6/00; B60K6/20; B60K6/22; B60K11/00; B60K11/02; B60K6/40; B60K6/42; B60K6/44; B60K6/50; B60K6/52; B60L; B60L1/00; B60L1/003; B60L1/02; B60L3/00; B60L3/0023; B60L3/003; B60L3/0046; B60L3/0061; B60L50/00; B60L50/10; B60L50/16; B60L50/50; B60L50/60; B60L50/61; B60L50/66; B60L58/00; B60L58/10; B60L58/24; B60L58/26; B60L58/27; B60W; B60W10/00; B60W10/30; F01P3/00; F01P3/20; F01P7/00; F01P7/14; F01P7/16; F01P7/165; F02; F02B; F02B29/00; F02B29/04; F02B29/0406; F02B29/0437; F02B29/0443; F02M; F02M26/00; F02M26/13; F02M26/22; F02M26/23; F02M26/28; B60L2210/00; B60L2210/40; B60L2240/00; B60L2240/10; B60L2240/12; B60L2240/34; B60L2240/36; B60L2240/40; B60L2240/42; B60L2240/425; B60L2240/44; B60L2240/445; B60L2240/52; B60L2240/525; B60L2240/54; B60L2240/545; B60L2240/60; B60L2240/66; B60L2240/662; B60L2260/00; B60L2260/20; B60L2260/26; B60L2260/28; B60L2270/00; B60L2270/10; B60L2270/12; B60L2270/44; B60L2270/46; F01P5/00; F01P5/10; F01P2005/105; F01P2050/00; F01P2050/24; F01P2060/00; F01P2060/08; F01P2060/14; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y02T10/60; Y02T10/62; Y02T10/64; Y02T10/70; Y02T10/7072; Y02T10/72; Y02T90/00; Y02T90/10; Y02T90/16; Y10; Y10S; Y10S903/00; Y10S903/902; Y10S903/903; Y10S903/904; Y10S903/905; Y10S903/906; Y10S903/915; Y10S903/916; Y10S903/951
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
84 words
A coolant circulation apparatus in a vehicle having a driveline, comprising: an engine connected for providing power to the driveline and heating the coolant, a battery, and a coolant circuit which circulates a coolant mixture of a high temperature coolant heated by said engine and a coolant of a lower temperature than said high temperature coolant to said battery, said coolant circuit including a junction in which the high temperature coolant and the coolant of a lower temperature are combined to form said mixture.
Claim 2
Dependent Claim
84 words
A coolant circulation apparatus in a vehicle having a driveline, comprising: an engine connected for providing power to the driveline and heating the coolant, a battery, and a coolant circuit which circulates a coolant mixture of a high temperature coolant heated by said engine and a coolant of a lower temperature than said high temperature coolant to said battery, said coolant circuit including a junction in which the high temperature coolant and the coolant of a lower temperature are combined to form said mixture.
Claim 3
Dependent Claim
21 words
The coolant circulation apparatus according to claim 1 , further comprising a radiator for cooling the coolant of a lower temperature.
Claim 4
Dependent Claim
58 words
A circulation apparatus for coolant in a vehicle according to claim 1 , wherein coolant heating means is provided for heating the coolant, and a coolant mixture of a high temperature coolant heated by said coolant heating means and a coolant of a lower temperature than said high temperature coolant is circulated to the apparatus to be cooled.
Claim 5
Dependent Claim
58 words
A circulation apparatus for coolant in a vehicle according to claim 2 , wherein coolant heating means is provided for heating the coolant, and a coolant mixture of a high temperature coolant heated by said coolant heating means and a coolant of a lower temperature than said high temperature coolant is circulated to the apparatus to be cooled.
Claim 6
Dependent Claim
32 words
The coolant circulation apparatus according to claim 2 , wherein said vehicle is a hybrid vehicle having an electric motor, said radiator being connected for cooling a coolant for said electric motor.
Claim 7
Dependent Claim
28 words
The coolant circulation apparatus according to claim 1 , wherein said coolant circuit further comprises a battery coolant pump connected to pump the coolant mixture to the battery.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2005-03-18 | 2005-09-17 | 2006-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-03-18 | 2009-09-17 | 2010-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-03-18 | 2013-09-17 | 2014-03-19 | $7700.00 | Window Closed / Lapsed |