Patent · US Expired

Screening apparatus hydrofoil

US4097374A · kind A · utility

4Cited by
3References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 26, 1977
Grant dateJun 27, 1978
Priority date
Expiry dateJan 26, 1997

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB07B1/50
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

This is a new hydrofoil structure. The hydrofoil has a radial outer surface having a circumferentially curved portion conforming to and closely spaced from the inside surface of the screen plate. The hydrofoil's radial outer surface also has a flat surface radially inward from the curved portion. The radial outer surface of the hydrofoil is constructed to convey along the flat surface any particles or knots which get in the space between the flat surface and the inner surface of the screen plate.

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