Hydraulic/pneumatic turbine transmission

Details Hydraulic/pneumatic turbine transmission Hydraulic/pneumatic turbine transmission

1990-02-12

1992-06-09

Look, Edward K.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415202, 416193R, F01D 1700

Patent

active

051201941

ABSTRACT:
A hydraulic/pneumatic turbine transmission (10) for converting a pressurized fluid source (26) to rotary motion of variable torque and rpm is disclosed. Turbine transmission (10) generally has housing (12) including main body housing (12a) and front housing cover plate (12b). An output shaft (11) is rotatably secured within housing (12) and has a main turbine runner (16) radially attached thereto. Main turbine runner (16) includes a plurality of concentrically disposed subrunners of progressively smaller diameter. A pair of diametrically disposed variable position nozzles are provided and disposed within housing (12) to selectively supply pressurized fluid to any one of the plurality of subrunners. A plurality of arcuate scavenge ports (33) are provided within housing (12) to allow a pressurized fluid to exit subsequent to impact on main turbine runner (16). Variable position nozzles (23) can be independently controlled to produce 2x-1 output speeds, where x is equal to the number or subrunners.

REFERENCES:
patent: 657590 (1900-09-01), Couture
patent: 870292 (1907-11-01), Henry, Jr.
patent: 4141672 (1979-02-01), Wieland et al.
patent: 4624110 (1986-11-01), Levites
patent: 4958986 (1990-09-01), Boussuges

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