Patent · US Active

Drainage apparatus

US9671309B2 · kind B2 · utility

0Cited by
5References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 18, 2015
Grant dateJun 6, 2017
Priority date
Expiry dateAug 18, 2035

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/88054
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A drainage apparatus for a filter device may include a housing and a solenoid valve arranged in the housing. A non-return valve may be arranged downstream the solenoid valve. A pressure sensor may be arranged between the solenoid valve and the non-return valve. The pressure sensor may be configured for pressure sensing in a chamber disposed between the solenoid valve and the non-return valve.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.