Description
NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive-displacement pumps F04D)
F01D
Technology
Stats
- 26,595 US PATENTS IN FORCE
- 7,831 US APPLICATIONS PENDING
- 2,822 Total Patent Owners
- 41,394 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) |
| 1/02 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) with stationary working-fluid guiding means and bladed or like rotor (F01D 1/24 takes precedence; without working-fluid guiding means F01D 1/18) |
| 1/04 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) with stationary working-fluid guiding means and bladed or like rotor (F01D 1/24 takes precedence; without working-fluid guiding means F01D 1/18) traversed by the working-fluid substantially axially |
| 1/06 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) with stationary working-fluid guiding means and bladed or like rotor (F01D 1/24 takes precedence; without working-fluid guiding means F01D 1/18) traversed by the working-fluid substantially radially |
| 1/08 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) with stationary working-fluid guiding means and bladed or like rotor (F01D 1/24 takes precedence; without working-fluid guiding means F01D 1/18) traversed by the working-fluid substantially radially having inward flow |
| 1/10 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) with stationary working-fluid guiding means and bladed or like rotor (F01D 1/24 takes precedence; without working-fluid guiding means F01D 1/18) having two or more stages subjected to working-fluid flow without essential intermediate pressure change, i.e. with velocity stages (F01D 1/12 takes precedence) |
| 1/12 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) with stationary working-fluid guiding means and bladed or like rotor (F01D 1/24 takes precedence; without working-fluid guiding means F01D 1/18) with repeated action on same blade ring |
| 1/14 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) with stationary working-fluid guiding means and bladed or like rotor (F01D 1/24 takes precedence; without working-fluid guiding means F01D 1/18) with repeated action on same blade ring traversed by the working-fluid substantially radially |
| 1/16 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) with stationary working-fluid guiding means and bladed or like rotor (F01D 1/24 takes precedence; without working-fluid guiding means F01D 1/18) characterised by having both reaction stages and impulse stages |
| 1/18 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) without working-fluid guiding means (F01D 1/24, F01D 1/32, F01D 1/34 take precedence) |
| 1/20 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) without working-fluid guiding means (F01D 1/24, F01D 1/32, F01D 1/34 take precedence) traversed by the working-fluid substantially axially |
| 1/22 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) without working-fluid guiding means (F01D 1/24, F01D 1/32, F01D 1/34 take precedence) traversed by the working-fluid substantially radially |
| 1/24 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) characterised by counter-rotating rotors subjected to same working-fluid stream without intermediate stator blades or the like |
| 1/26 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) characterised by counter-rotating rotors subjected to same working-fluid stream without intermediate stator blades or the like traversed by the working-fluid substantially axially |
| 1/28 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) characterised by counter-rotating rotors subjected to same working-fluid stream without intermediate stator blades or the like traversed by the working-fluid substantially radially |
| 1/30 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) characterised by having a single rotor operable in either direction of rotation, e.g. by reversing of blades (combinations of machines or engines F01D 13/00) |
| 1/32 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) with pressure/velocity transformation exclusively in rotor, e.g. the rotor rotating under the influence of jets issuing from the rotor |
| 1/34 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) characterised by non-bladed rotor, e.g. with drilled holes (F01D 1/32 takes precedence; sirens G10K 7/00) |
| 1/36 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) characterised by non-bladed rotor, e.g. with drilled holes (F01D 1/32 takes precedence; sirens G10K 7/00) using fluid friction |
| 1/38 | Non-positive-displacement machines or engines, e.g. steam turbines (with working-fluid flows in opposite axial directions for balancing axial thrust F01D 3/02; with other than pure rotation F01D 23/00; turbines characterised by their use in special steam systems, cycles, or processes, regulating devices therefor F01K) characterised by non-bladed rotor, e.g. with drilled holes (F01D 1/32 takes precedence; sirens G10K 7/00) of the screw type |
Recent Patents
Not Available
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0114,970 | METHOD OF FORMING COMPOSITE COMPONENTS WITH CAVITIES | Oct 10, 23 | Apr 10, 25 | Not available |
| 2025/0115,009 | METHOD FOR MANUFACTURING AN INTER-BLADE PLATFORM WITH SACRIFICIAL EDGES | Feb 01, 23 | Apr 10, 25 | Not available |
| 2025/0115,768 | MULTI-PHASE RADIATIVE AND THERMAL BARRIER COATING SYSTEM | Oct 06, 23 | Apr 10, 25 | RTX CORPORATION |
| 2025/0116,193 | CMC Airfoil with Cooling Passage Having Multi-Dimensional Plenum | Oct 04, 23 | Apr 10, 25 | Not available |
| 2025/0116,195 | MULTI-PIECE RADIAL TURBINE WITH CERAMIC MATRIX COMPOSITE BLADES FOR GAS TURBINE ENGINES | Oct 05, 23 | Apr 10, 25 | Not available |
| 2025/0116,197 | CMC AIRFOIL WITH CIRCUMVENTING COOLING PASSAGE | Oct 04, 23 | Apr 10, 25 | Not available |
| 2025/0116,199 | SEAL FOR A GAS TURBINE ENGINE | Dec 17, 24 | Apr 10, 25 | Not available |
| 2025/0116,201 | ROTORS POSITIONED OUTSIDE STATORS IN EMBEDDED GENERATORS | Oct 06, 23 | Apr 10, 25 | Not available |
| 2025/0116,203 | TURBOMACHINE ASSEMBLY COMPRISING A HALF-SHELL CASING BEARING VARIABLE-PITCH INLET STATOR VANES | Feb 14, 23 | Apr 10, 25 | SAFRAN AIRCRAFT ENGINES |
| 2025/0116,205 | NOZZLE FOR FOAM WASHING OF JET ENGINE | Dec 16, 24 | Apr 10, 25 | AeroCore Technologies LLC |
| 2025/0116,207 | LUBRICATION SYSTEM FOR A TURBINE ENGINE | Jun 24, 24 | Apr 10, 25 | Not available |
| 2025/0116,209 | LUBRICATION SYSTEM FOR A TURBINE ENGINE | Jun 24, 24 | Apr 10, 25 | Not available |
| 2025/0116,327 | GEARED ARCHITECTURE GAS TURBINE ENGINE WITH PLANETARY GEAR OIL SCAVENGE | Mar 05, 24 | Apr 10, 25 | Not available |
| 2025/0116,194 | RADIAL TURBINE ASSEMBLY WITH CERAMIC MATRIX COMPOSITE AIRFOILS HAVING CIRCUMFERENTIAL DOVETAIL RETENTION | Oct 05, 23 | Apr 10, 25 | Not available |
| 2025/0116,196 | FLUID PROPULSION SYSTEM | Dec 16, 24 | Apr 10, 25 | Not available |
| 2025/0116,198 | HYBRID METAL/COMPOSITE BLADE WITH TEXTILE ORIENTATION ADAPTED TO MECHANICAL STRESSES | Jan 27, 23 | Apr 10, 25 | Not available |
| 2025/0116,200 | GENERATOR EMBEDDED IN TURBINE ENGINES | Oct 06, 23 | Apr 10, 25 | Not available |
| 2025/0116,202 | MODULE FOR AN AIRCRAFT TURBINE ENGINE | Sep 26, 22 | Apr 10, 25 | SAFRAN AIRCRAFT ENGINES |
| 2025/0116,204 | APPARATUS USING ROOT CAUSE ANALYSIS FOR PREDICTING BLADE DAMAGE AND METHOD THEREFOR | Sep 09, 24 | Apr 10, 25 | Not available |
| 2025/0116,206 | LUBRICATION SYSTEM FOR A TURBINE ENGINE | Jun 24, 24 | Apr 10, 25 | Not available |
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Applications Filed in This Class - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)