Patent US4186593A successfully refreshed from Google Patents.
US4186593A
Expired / Lapsed
US
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Drive simulator operating method
Assignee: Meidensha Corp
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Filing: 1978-08-14
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Granted: 1980-02-05
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Expires: 1998-08-14
Abstract
Abstract A drive simulator operating method for permitting a test vehicle to run on a dynamometer system under conditions equivalent to actual vehicle running conditions. The drive simulator is operated under road load control on the basis of the data stored in a memory while the test vehicle runs on the dynamometer system under road load control in accordance with road load command values stored in a data recorder during actual running of the test vehicle on a test course.
Inventors
- 👤 Youichi Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:23
CPC Classifications
G; G01; G01M; G01M17/00; G01M17/007; G01M17/0072
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
128 words
A drive simulator operating method for permitting a test vehicle to run on the dynamometer system under conditions equivalent to actual vehicle running conditions, the method comprising the steps of storing in a data recorder on the relationship between vehicle speed and any one of engine throttle opening, intake manifold pressure, and drive dynamometer shaft torque while actually driving the test vehicle on a test course, storing in a memory data on the relationship between vehicle speed and road load corresponding to the torque absorbed in the dynamometer while driving the test vehicle on the dynamometer system under road load control in accordance with the data stored in the data recorder, and operating the dynamometer under road load control in accordance with the data stored in the memory.
Claim 2
Dependent Claim
128 words
A drive simulator operating method for permitting a test vehicle to run on the dynamometer system under conditions equivalent to actual vehicle running conditions, the method comprising the steps of storing in a data recorder on the relationship between vehicle speed and any one of engine throttle opening, intake manifold pressure, and drive dynamometer shaft torque while actually driving the test vehicle on a test course, storing in a memory data on the relationship between vehicle speed and road load corresponding to the torque absorbed in the dynamometer while driving the test vehicle on the dynamometer system under road load control in accordance with the data stored in the data recorder, and operating the dynamometer under road load control in accordance with the data stored in the memory.
Claim 3
Dependent Claim
29 words
The drive simulator operating method as claimed in claim 1 including the step of driving the test vehicle on the test course in accordance with a patterned drive mode.
Claim 4
Dependent Claim
38 words
The drive simulator operating method as claimed in claim 1 or 2 wherein the test vehicle is driven solely by the dynamometer system in accordance with the data based on road load control stored in the memory data.
Claim 5
Dependent Claim
46 words
The drive simulator operating method as claimed in claim 1 or 2 wherein the data stored in the memory is in accordance with actual road load variations in accordance with the actual test course including variations in acclivity, declivity, wind resistance and curvature of the road.
Claim 6
Dependent Claim
53 words
The drive simulator operating method as claimed in claim 1 or 2 comprising the steps of obtaining the data on the relationship between vehicle speed and any one of the engine throttle opening, the intake manifold pressure and dynamometer shaft torque while the test vehicle is driven in accordance with patterned driving models.
References Cited (Backward Citations)
US3516287A
Cited
US3926043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-02-04 | 1983-08-06 | 1984-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-04 | 1987-08-06 | 1988-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-04 | 1991-08-06 | 1992-02-05 | $7700.00 | Window Closed / Lapsed |