Patent US6318486B2 successfully refreshed from Google Patents.
US6318486B2
Expired / Lapsed
US
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Hybrid vehicle
Assignee: Hitachi Ltd
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Filing: 2001-02-08
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Granted: 2001-11-20
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Expires: 2021-02-08
Abstract
Abstract In a series-parallel hybrid vehicle, a check is made to see if there is any trouble of a clutch such as slip or overheating in an engaged state of the clutch, and upon detection of a clutch trouble, the vehicle is driven in accordance with a series hybrid type to prevent driving characteristics from being deteriorated by the clutch trouble.
Inventors
- 👤 Ryoso Masaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:33
CPC Classifications
B; B60; B60W; B60W20/00; B60W20/40; B60K; B60K6/00; B60K6/20; B60K6/22; B60K6/38; B60K6/387; B60K6/42; B60K6/44; B60K6/442; B60K6/50; B60K6/54; B60K6/543; B60K6/547; B60L; B60L3/00; B60L3/0023; B60L50/00; B60L50/10; B60L50/15; B60L50/16; B60L50/50; B60L50/60; B60L50/61; B60W10/00; B60W10/02; B60W10/04; B60W10/06; B60W10/08; B60W20/20; B60W30/00; B60W30/18; B60W30/184; B60W30/186; F; F16; F16D; F16D48/00; F16D48/06; B60L2240/00; B60L2240/10; B60L2240/36; B60L2240/40; B60L2240/50; B60L2240/507; B60L2240/52; B60L2240/525; B60W2510/00; B60W2510/02; B60W2510/0241; B60W2510/0291; B60W30/1846; F16D2500/00; F16D2500/10; F16D2500/106; F16D2500/1066; F16D2500/30; F16D2500/304; F16D2500/30401; F16D2500/30404; F16D2500/30406; F16D2500/3041; F16D2500/30415; F16D2500/3042; F16D2500/30426; F16D2500/31; F16D2500/3108; F16D2500/314; F16D2500/31406; F16D2500/31426; F16D2500/3144; F16D2500/50; F16D2500/502; F16D2500/50296; F16D2500/51; F16D2500/5102; F16D2500/5104; F16D2500/5106; F16D2500/70; F16D2500/704; F16D2500/70402; F16D2500/7041; F16D2500/70422; F16D2500/70424; F16D2500/70452; F16D2500/70454; F16D2500/70458; F16D2500/70464; F16D2500/70466; F16D2500/70472; F16D2500/70476; F16D2500/70484; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/40; Y02T10/60; Y02T10/62; Y02T10/70; Y02T10/7072; Y02T10/80; Y02T10/84; Y10; Y10S; Y10S903/00; Y10S903/902; Y10S903/903; Y10S903/904; Y10S903/912; Y10S903/914; Y10S903/915; Y10S903/917; Y10S903/918; Y10S903/919; Y10S903/946
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A hybrid vehicle including: an engine for generating a vehicle driving energy; a clutch for making and breaking the transfer of a mechanical force between said engine and wheels; a generator which is driven by said engine to generate electric power; an electric energy storage means for storing a generated output of said generator; a motor which generates a mechanical driving force and a braking force for the wheels through input and output of energy in said electric energy storage means; and a controller for controlling operation of said engine, said clutch, said generator, and said motor and for selectively operating the motor and the engine in either a series mode, a parallel mode, or both a series mode and a parallel mode of hybrid vehicle operation of the vehicle, wherein clutch trouble detecting means for detecting a condition indicative of trouble in said clutch is provided, and when said clutch trouble detecting means has detected a trouble in the clutch, said controller controls an operation of said clutch by operating said motor and said engine only in a series mode in which the clutch is disengaged and the wheels are driven or braked mechanically only by said motor.
Claim 2
Dependent Claim
199 words
A hybrid vehicle including: an engine for generating a vehicle driving energy; a clutch for making and breaking the transfer of a mechanical force between said engine and wheels; a generator which is driven by said engine to generate electric power; an electric energy storage means for storing a generated output of said generator; a motor which generates a mechanical driving force and a braking force for the wheels through input and output of energy in said electric energy storage means; and a controller for controlling operation of said engine, said clutch, said generator, and said motor and for selectively operating the motor and the engine in either a series mode, a parallel mode, or both a series mode and a parallel mode of hybrid vehicle operation of the vehicle, wherein clutch trouble detecting means for detecting a condition indicative of trouble in said clutch is provided, and when said clutch trouble detecting means has detected a trouble in the clutch, said controller controls an operation of said clutch by operating said motor and said engine only in a series mode in which the clutch is disengaged and the wheels are driven or braked mechanically only by said motor.
References Cited (Backward Citations)
US5343970A
Cited
JPH0898322A
Cited
US5786640A
Cited
US5909094A
Cited
JPH0974609A
Cited
US6041877A
Cited
US6003626A
Cited
US6035984A
Cited
US5964675A
Cited
US5993350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-11-19 | 2005-05-21 | 2005-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-11-19 | 2009-05-21 | 2009-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-11-19 | 2013-05-21 | 2013-11-20 | $7700.00 | Window Closed / Lapsed |