Device for adjusting the clearance between moving turbine blades

Details Device for adjusting the clearance between moving turbine blades Device for adjusting the clearance between moving turbine blades

1980-10-07

1983-04-12

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Including additional means causing or controlling fluid flow...

415116, 415138, 415180, F01D 1100, F01D 1108

Patent

active

043796770

ABSTRACT:
A device for adjusting the clearance between moving blades and the ring of a turbine wherein the ring includes a cylindrical sleeve, a perforated partition, and a wall, which together form an enclosure. Boreholes receive tubular elements which fit together with coaxial boreholes provided in opposite walls of a distribution chamber. The chamber communicates with pipes which admit heat regulating air. Alternating tubular elements traverse the perforated wall and the chamber to evacuate exhaust gas through pipes.

REFERENCES:
patent: 1928504 (1933-09-01), Schaper
patent: 2474258 (1949-06-01), Kroon
patent: 3561884 (1971-02-01), Zerlauth
patent: 3864056 (1975-02-01), Gabriel et al.
patent: 4222707 (1980-09-01), Drouet et al.
patent: 4317646 (1982-03-01), Steel et al.

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