US4141672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual or multistream turbine
Assignee: Garrett Corp
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Filing: 1977-05-05
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Granted: 1979-02-27
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Expires: 1997-05-05
Abstract
Abstract A turbine is disclosed which is adapted to receive and utilize fluid from multiple sources simultaneously. The fluid from each source is utilized optimumly by providing a section of the turbine adapted for the characteristics of each fluid source.
Inventors
- 👤 Kurt H. Wieland
- 👤 James C. Noe
- 👤 Terence P. Emerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:32
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/048; F01D1/00; F01D1/02; F01D1/023; F01D5/00; F01D5/02; F01D5/022; F01D5/04; F01D5/043; F01D9/045; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
161 words
In a radial flow turbo machine having a plurality of pressurized fluid sources for producing flow of at least two different fluid velocities, said machine comprising: a housing; a plurality of chambers in said housing, each chamber being connected to at least one of said sources; a turbine member having a plurality of blades, said blades being divided into a plurality of sections comprising at least two separate aerodynamic areas positioned axially along each blade, one of said blade areas having a radial dimension greater than that of an other of said blade areas; and fluid directing means beteen each of said chambers and one of said blade sections for directing fluid from said chambers to said blade sections, fluid from one of said chambers having a greater fluid velocity being directed to said one of said blade areas and fluid from the other of said chambers having a lesser fluid velocity being directed to said other of said blade areas.
Claim 2
Dependent Claim
161 words
In a radial flow turbo machine having a plurality of pressurized fluid sources for producing flow of at least two different fluid velocities, said machine comprising: a housing; a plurality of chambers in said housing, each chamber being connected to at least one of said sources; a turbine member having a plurality of blades, said blades being divided into a plurality of sections comprising at least two separate aerodynamic areas positioned axially along each blade, one of said blade areas having a radial dimension greater than that of an other of said blade areas; and fluid directing means beteen each of said chambers and one of said blade sections for directing fluid from said chambers to said blade sections, fluid from one of said chambers having a greater fluid velocity being directed to said one of said blade areas and fluid from the other of said chambers having a lesser fluid velocity being directed to said other of said blade areas.
Claim 3
Dependent Claim
33 words
The turbo machine according to claim 1 wherein there is provided between said blade areas a shroud member attached to said turbine member and rotatable therewith, said shroud member separating said blade areas.
Claim 4
Dependent Claim
15 words
The turbo machine according to claim 1 where said turbine is a radial inflow turbine.
Claim 5
Dependent Claim
15 words
The turbo machine according to claim 1 wherein said turbine is a radial outflow turbine.
Claim 6
Dependent Claim
30 words
The turbomachine according to claim 1 wherein said fluid directing means comprises nozzle means for directing fluid from each of said chambers to respective ones of said blade aerodynamic areas.
Claim 7
Dependent Claim
30 words
The turbomachine according to claim 1 wherein said fluid directing means comprises vane means for directing fluid from each of said chambers to respective ones of said blade aerodynamic areas.
Claim 8
Dependent Claim
49 words
The turbomachine according to claim 1 wherein said fluid directing means comprises nozzle means for directing fluid from one of said chambers to one of said blade aerodynamic areas and vane means for directing fluid from an other of said chambers to an other of said blade aerodynamic areas.
Claim 9
Dependent Claim
161 words
In combination: a plurality of sources or pressurized fluid for producing streams at different fluid velocities; a plurality of fluid chambers corresponding in number to the number of sources of pressurized fluid, each of said sources being connected to a corresponding one of said chambers; a radial flow fluid turbine mounted for rotation about an axis and juxtaposed said chambers, said turbine having a plurality of blades about its periphery, each of said blades having a plurality of aerodynamic sections arranged axially therealong corresponding in number to the number of said chambers and having different radial dimensions corresponding to the different fluid velocities; and fluid directing means at the outlet of each of said chambers for directing streams of pressurizied fluid from said chambers having greater fluid velocities to aerodynamic sections of said blades having greater radial dimensions and directing streams of pressuized fluid from said chambers having lesser fluid velocities to aerodynamic sections of said blades having lesser radial dimension.
Claim 10
Dependent Claim
161 words
In combination: a plurality of sources or pressurized fluid for producing streams at different fluid velocities; a plurality of fluid chambers corresponding in number to the number of sources of pressurized fluid, each of said sources being connected to a corresponding one of said chambers; a radial flow fluid turbine mounted for rotation about an axis and juxtaposed said chambers, said turbine having a plurality of blades about its periphery, each of said blades having a plurality of aerodynamic sections arranged axially therealong corresponding in number to the number of said chambers and having different radial dimensions corresponding to the different fluid velocities; and fluid directing means at the outlet of each of said chambers for directing streams of pressurizied fluid from said chambers having greater fluid velocities to aerodynamic sections of said blades having greater radial dimensions and directing streams of pressuized fluid from said chambers having lesser fluid velocities to aerodynamic sections of said blades having lesser radial dimension.
Claim 11
Dependent Claim
36 words
The combination according to claim 8 and further comprising shroud means attached to said turbine and rotatable therewith for separating the fluid streams from said individual fluid directing means for flow along their respective aerodynamic sections.
Claim 12
Dependent Claim
14 words
The combination according to claim 8 wherein said turbine is a radial inflow turbine.
Claim 13
Dependent Claim
14 words
The combination according to claim 8 wherein said turbine is a radial outflow turbine.
Claim 14
Independent Claim
116 words
The method of energizing a radial flow turbo machine having a plurality of blades from multiple fluid sources which produce streams of at least two different fluid velocities, said method comprising the steps of: providing separate chambers connected to each fluid source; dividing said turbo machine blades into a plurality of sections arranged axially therealong corresponding in number to the number of fluid sources and having at least two different radial dimension; and directing the fluid from each source of lesser fluid velocity to the section of said blades having a lesser radial dimension and directing the fluid from each source of greater fluid velocity to the section of said blades having a greater radial dimension.
Claim 15
Independent Claim
116 words
The method of energizing a radial flow turbo machine having a plurality of blades from multiple fluid sources which produce streams of at least two different fluid velocities, said method comprising the steps of: providing separate chambers connected to each fluid source; dividing said turbo machine blades into a plurality of sections arranged axially therealong corresponding in number to the number of fluid sources and having at least two different radial dimension; and directing the fluid from each source of lesser fluid velocity to the section of said blades having a lesser radial dimension and directing the fluid from each source of greater fluid velocity to the section of said blades having a greater radial dimension.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-02-26 | 1982-08-28 | 1983-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-26 | 1986-08-28 | 1987-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-26 | 1990-08-28 | 1991-02-27 | $7700.00 | Window Closed / Lapsed |