Venting mechanism
US6969046B2 · kind B2 · utility
10Cited by
90References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2002 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | Oct 28, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H3/0206
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.