Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Patent
1997-09-08
1999-08-10
Denion, Thomas E.
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Upstream of runner
415202, 251282, 251 63, F01B 2502
Patent
active
059348704
ABSTRACT:
A steam control valve is provided with a valve core arranged in the valve housing (10), with an upper valve spindle (5) guided in a sealing packing (12), with a valve cone (1) sliding in a lower and upper valve core (3b) and (3a), and with a valve diffusor (6) arranged in the valve housing (10). Piston rings (4a) are inserted in the upper part (1a) of the valve cone (1) sliding in the valve core upper part (3a), and piston rings (4b) are inserted in the lower part (1c) of the valve cone (1) sliding in the valve core lower part (3b). Clean water is used as the hydraulic fluid for the hydraulic drive attached to a connection spacer (15). At least one axial hole (2) is provided in the valve cone (1). With the upper part (3a) and the lower part (3b) of the valve core (3), the middle part (1b) of the valve cone forms an annular chamber (8), at which at least one suction channel (9) is arranged.
REFERENCES:
patent: 3518032 (1970-06-01), DeGroff et al.
patent: 4167262 (1979-09-01), Lemmon
patent: 4679769 (1987-07-01), Dawawala et al.
patent: 4834133 (1989-05-01), LaCoste et al.
patent: 4850394 (1989-07-01), Imhof et al.
Barton Rhonda
Denion Thomas E.
GHH Borsig Turbomaschinen GmbH
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