Gas meter
US5415032A · kind A · utility
2Cited by
47References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1994 |
| Grant date | May 16, 1995 |
| Priority date | — |
| Expiry date | Mar 2, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F3/223
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A compact, 4-chamber gas meter comprising crankpost and valve drive mechanisms whereby each reciprocating valve moves from a stroke shifting point near center to a stroke endpoint and back to said stroke shifting point with each 180.degree. rotation of the crankpost and each stroke of each diaphragm occurs over said 180.degree. rotation of the crankpost.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.