Apparatus and method for sensing diaphragm failures in reciprocating pumps
US4781535A · kind A · utility
79Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1987 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Nov 13, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B43/009
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Apparatus for monitoring the diaphragm integrity in a diaphragm pump. A single continuous circuit trace is supported on a pump diaphragm. An electrical circuit is connected to the continuous circuit trace for measuring both the continuity and a potential ground fault condition between the circuit trace and pumping liquid. The circuit trace is formed in a configuration which resists the effects of strain induced by continuous flexing of the diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.