US6232743B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric vehicle
Assignee: Panasonic Holdings Corp
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Filing: 1998-09-08
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Granted: 2001-05-15
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Expires: 2018-09-08
Abstract
Abstract The present invention provides an electric vehicle, which enables the installed battery to be replaced with many kinds of batteries and having high reliability and economical properties. The electric vehicle comprises: a driving unit for driving the electric vehicle with an electricity; a vehicle controller for controlling the driving unit; a battery unit for supplying an electric power to the driving unit; and a battery charger for charging the battery unit, the battery unit being provided with plural secondary batteries and means for monitoring the state of the secondary batteries thereby to issue a signal to the vehicle controller based on the obtained information from the secondary batteries.
Inventors
- 👤 Toshiaki Nakanishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:56
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/60; H02J7/663; B; B60; B60L; B60L50/00; B60L50/50; B60L50/51; B60L53/00; B60L53/80; B60L58/00; B60L58/10; B60L58/12; B60L58/24; B60L58/26; H02J7/40; H02J7/44; H02J7/485; H02J7/855; H02J7/90; H02J7/971; H02J7/975; H02J7/977; B60L2250/00; B60L2250/10; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072; Y02T90/00; Y02T90/10; Y02T90/12; Y02T90/14
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
97 words
An electric vehicle comprising: a driving unit for driving said electric vehicle with an electric power; a vehicle controller for controlling said driving unit; a battery unit for supplying an electric power to said driving unit; and a battery charger for charging said battery unit, wherein said battery unit includes plural secondary batteries and means for monitoring the state of said secondary batteries and for issuing a signal based on the obtained information to said vehicle controller, and said vehicle controller controls said driving unit and said battery charger based on said signal from said battery unit.
Claim 2
Dependent Claim
97 words
An electric vehicle comprising: a driving unit for driving said electric vehicle with an electric power; a vehicle controller for controlling said driving unit; a battery unit for supplying an electric power to said driving unit; and a battery charger for charging said battery unit, wherein said battery unit includes plural secondary batteries and means for monitoring the state of said secondary batteries and for issuing a signal based on the obtained information to said vehicle controller, and said vehicle controller controls said driving unit and said battery charger based on said signal from said battery unit.
Claim 3
Dependent Claim
23 words
The electric vehicle in accordance with claim 1 , wherein said battery unit is composed as one unit detachable from said electric vehicle.
Claim 4
Dependent Claim
22 words
The electric vehicle in accordance with claim 1 , wherein said monitoring means detects output voltage of each of said secondary batteries.
Claim 5
Dependent Claim
20 words
The electric vehicle in accordance with claim 1 , wherein said monitoring means detects a temperature throughout said secondary batteries.
Claim 6
Dependent Claim
20 words
The electric vehicle in accordance with claim 1 , wherein said battery unit includes means for cooling said secondary batteries.
Claim 7
Dependent Claim
28 words
The electric vehicle in accordance with claim 5 , wherein said cooling means operates in response to said temperature throughout said secondary batteries detected by said monitoring means.
Claim 8
Dependent Claim
22 words
The electric vehicle in accordance with claim 1 , wherein said battery unit includes a displaying means for displaying the obtained information.
References Cited (Backward Citations)
US4313080A
Cited
DE3907697C1
Cited
GB2253379A
Cited
WO1993002887A1
Cited
JPH0739048A
Cited
US5647450A
Cited
US5623194A
Cited
DE4422005A1
Cited
JPH08163711A
Cited
US5808448A
Cited
WO1996022625A1
Cited
US5627438A
Cited
US5717310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-05-14 | 2004-11-13 | 2005-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-05-14 | 2008-11-13 | 2009-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-05-14 | 2012-11-13 | 2013-05-15 | $7700.00 | Window Closed / Lapsed |