Standpipe with flow restriction valve, and filter cartridge
US11198077B2 · kind B2 · utility
2Cited by
29References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2018 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Apr 27, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/4046
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A “no filter, no run” filtration system that is designed to verify that a filter cartridge is present to safe-guard against damage to fuel injectors, associated fuel components, etc. and engine malfunctions. Fuel flow to the engine is prevented altogether or permitted in an amount insufficient to allow engine operation if a filter cartridge is not installed, and an appropriately designed filter cartridge is required to be used in order to permit sufficient fuel flow for engine operation. In one embodiment, a flow restriction valve is provided that includes a ball.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.