Cab environment warning and control method and apparatus
US6768423B2 · kind B2 · utility
5Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2002 |
| Grant date | Jul 27, 2004 |
| Priority date | — |
| Expiry date | Jul 11, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61C17/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for providing a cab pressure drop warning to an off-road machine operator and instructions for increasing the cab pressure and for providing incentive to correct the pressure drop, the method including comparing ambient and cab pressures and threshold pressure (i.e., the ambient plus a differential value), causing a vehicle operation disruption for at least a short period during which the operator may elect to remedy the cab pressure drop.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.