Sight glass incorporated into fuel dispensing nozzle
US4993460A · kind A · utility
20Cited by
19References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 1990 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Mar 22, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67D7/56
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A fuel dispensing nozzle incorporating sight glass in the vicinity of its poppet valve, which a sight glass is sealingly engaged within the body cap, comprising a lens of either the magnifying or nonmagnifying type, to provide a ready viewing of any activation device within the poppet cavity, either in the form of spinner, or spheres, that are rotated or agitated, as when fuel under pressure is being delivered through the nozzle and to the fuel tank of a vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.