Runner seals for hydraulic turbines

Details Runner seals for hydraulic turbines Runner seals for hydraulic turbines

1976-09-24

1977-09-20

Husar, C. J.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

277 26, 415110, 415130, 415500, F01D 1100, F16J 1550

Patent

active

040493610

ABSTRACT:
A seal is provided between the turbine runner and the stationary structure which permits expansion of the runner without danger of contacting the stationary structure and thereby causing the seal to seize. The portion of the runner which defines the sealing passage faces radially inwardly. Therefore, if the runner expands, the sealing clearance will enlarge rather than decrease thereby overcoming the possibility of seizure.

REFERENCES:
patent: 1072650 (1913-09-01), Price
patent: 1114238 (1914-10-01), Doble
patent: 1163243 (1915-12-01), Krogh
patent: 1516822 (1924-11-01), McCormack
patent: 2082927 (1937-06-01), White
patent: 2270054 (1942-01-01), Hogan
patent: 2818227 (1957-12-01), Suss
patent: 3020850 (1962-02-01), Meckenstock
patent: 3350059 (1967-10-01), Sproule
patent: 3360238 (1967-12-01), Koeller et al.
patent: 3927951 (1975-12-01), Mitsuhashi

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