Hydrofoil blade

Details Hydrofoil blade Hydrofoil blade

1986-12-30

1987-08-18

Bashore, S. Leon

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162374, D21F 148, D21F 154

Patent

active

046875492

ABSTRACT:
A hydrofoil blade and support for use in a paper making machine, and a method using a hydrofoil blade for dewatering and forming a paper web on a paper machine forming medium wherein a single phase fluid is formed in a gap between the hydrofoil blade and forming medium, and the gap is extended a sufficient distance in the machine direction to prevent expansion and corresponding cavitation of the single phase fluid in the gap.

REFERENCES:
patent: 1781928 (1930-11-01), Liebeck
patent: 2928465 (1960-03-01), Wrist
patent: 2928466 (1960-03-01), Burkhard et al.
patent: 3201308 (1965-08-01), Goddard et al.
patent: 3220920 (1965-11-01), Truxa
patent: 3497420 (1970-02-01), Clark
patent: 3619363 (1971-11-01), Pherson
patent: 3874998 (1975-04-01), Johnson
patent: 3922190 (1975-11-01), Cowan
patent: 4088531 (1978-05-01), Lamminen
patent: 4123322 (1978-10-01), Hoult
patent: 4140573 (1979-02-01), Johnson
"Drainage at a Table Roll"-G. I. Taylor, Pulp & Paper Mag of Canada Convention Issue 1956, pp. 267-276.
"Drainage at a Table Roll and a Foil"-G. I. Taylor and First Discussion Session-Second Symposium on Hydrodynamics of the Fourdrinier Wet End-CPPA-TS, 44, 1958, pp. 284-292.
"New Hvyflo Blades Reduce Drag-Load (Like the Computer Said They Would)", 1972.

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