US3777808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling arrangement mounted on a motor vehicle
Assignee: Nissan Motor Co Ltd
•
Filing: 1972-03-29
•
Granted: 1973-12-11
•
Expires: 1992-03-29
Abstract
Abstract A cooling arrangement for a motor vehicle which comprises a radiator connected to an engine of the motor vehicle, a shroud with a fan arrangement provided behind the radiator for drawing cooling air through the radiator. The shroud has provided at its back wall an aperture with a plurality of doors which shut or open the aperture to control the air flow in dependence on the engine temperature, atmospheric temperature, vehicle speed etc.
Inventors
- 👤 M Izumi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:00
CPC Classifications
B; B60; B60K; B60K11/00; B60K11/08; B60K11/085; B60K11/02; F; F01; F01P; F01P7/00; F01P7/02; F01P7/10; F01P7/12; Y; Y02; Y02T; Y02T10/00; Y02T10/80; Y02T10/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A cooling arrangement for a motor vehicle having an engine comprising: a radiator operatively connected to said engine for cooling a liquid coolant passed through said engine, said radiator having a plurality of air passages for allowing ambient air to pass therethrough; a shroud having an inlet communicating with said air passages of the radiator, an outlet open to ambient atmosphere and an aperture formed in the wall thereof adjacent to said outlet; a fan arrangement provided in said outlet of said radiator for drawing said ambient air through said radiator and said shroud into said outlet; means defining an aperture in saId shroud adjacent said outlet; and a plurality of doors mounted through hinges bearings on said wall in said aperature for selectively opening and shutting said aperature in accordance with engine temperature, atmospheric temperature and vehicle speed.
Claim 2
Dependent Claim
139 words
A cooling arrangement for a motor vehicle having an engine comprising: a radiator operatively connected to said engine for cooling a liquid coolant passed through said engine, said radiator having a plurality of air passages for allowing ambient air to pass therethrough; a shroud having an inlet communicating with said air passages of the radiator, an outlet open to ambient atmosphere and an aperture formed in the wall thereof adjacent to said outlet; a fan arrangement provided in said outlet of said radiator for drawing said ambient air through said radiator and said shroud into said outlet; means defining an aperture in saId shroud adjacent said outlet; and a plurality of doors mounted through hinges bearings on said wall in said aperature for selectively opening and shutting said aperature in accordance with engine temperature, atmospheric temperature and vehicle speed.
References Cited (Backward Citations)
US1820091A
Cited
US3552483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |