Class 244 | AERONAUTICS AND ASTRONAUTICS |
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1R | MISCELLANEOUS |
2 | COMPOSITE AIRCRAFT |
3.1 | MISSILE STABILIZATION OR TRAJECTORY CONTROL |
3.11 | Remote control |
3.15 | Automatic guidance |
3.23 | Stabilized by rotation |
3.24 | Externally mounted stabilizing appendage (e.g., fin) |
158.1 | SPACECRAFT |
158.2 | Tethered |
158.3 | Inflated |
158.4 | Spacecraft formation, orbit, or interplanetary path |
158.9 | Reusable or returnable |
159.4 | Modular and assembled in space |
164 | Attitude control |
165 | By gyroscope or flywheel |
166 | By magnetic effect |
167 | By gravity gradient |
168 | By solar pressure |
169 | By jet motor |
170 | By nutation damper |
171 | With attitude sensor means |
171.1 | With propulsion |
171.6 | Having launch pad cooperating structure |
171.7 | With shield or other protective means (e.g., meteorite shield, insulation, radiation/plasma shield) |
171.9 | With special crew accommodations |
172.2 | With fuel system details |
172.4 | Rendezvous or docking |
172.6 | With deployable appendage |
172.7 | With solar panel |
173.1 | With payload accommodation |
4R | AIRCRAFT, HEAVIER-THAN-AIR |
5 | Airplanes, weight diminished by bouyant gas |
6 | Airplane and helicopter sustained |
8 | Airplane and auto-rotating wing sustained |
9 | Airplane and paddle wheel sustained |
10 | Airplane and cylindrical rotor sustained |
11 | Airplane and beating wing sustained |
12.1 | Airplane and fluid sustained |
13 | Airplane sustained |
17.11 | Helicopter or auto-rotating wing sustained, i.e., gyroplanes |
17.13 | Automatic or condition responsive control |
17.15 | With safety lowering device |
17.17 | With landing, mooring, or nonaerial propelling or steering gear |
17.19 | With auxiliary propulsion, counter-troque or steering device |
17.23 | Having plural lifting rotors |
17.25 | Lifting rotor having lift direction varying means |
17.27 | Lifting rotor supports, e.g., pylons |
19 | Paddle wheel sustained |
21 | Cylindrical rotor sustained |
22 | Beating wing sustained |
23R | Fluid sustained |
23A | Lifting thrusters |
23B | Dual propulsion means, horizontal and vertical |
23C | Circular configuration |
23D | Thrust diverters |
4A | Body attached |
24 | AIRCRAFT, LIGHTER-THAN-AIR |
25 | Airships with sustaining wings |
26 | Airship and helicopter sustained |
27 | Airship and paddle wheel sustained |
28 | Airship and beating wing sustained |
29 | Airship and fluid sustained |
30 | Airships |
31 | Balloons |
34R | AIRCRAFT SUSTENTATION |
35R | Sustaining airfoils |
36 | Lifting fuselages |
37 | Lifting struts |
38 | Resiliently mounted |
39 | Rotatable |
198 | With lift modification |
199.1 | By vortex control outside of boundary layer |
200 | By characteristic of airfoil's skin |
201 | Variable |
202 | With landing gear |
203 | Condition responsive |
204 | By controlling boundary layer |
204.1 | Actively controlled vortex generator |
205 | With ionic or electrostatic surface |
206 | With rotating member |
207 | With blowing |
209 | With suction |
210 | With nose slot |
212 | Having trailing edge flap |
213 | By flap and/or spoiler |
218 | Area |
219 | Camber |
45R | Arrangement |
35A | Compressible flow |
34A | Annular airfoils |
50 | AIRCRAFT PROPULSION AND STEERING ON LAND OR WATER |
51 | AIRCRAFT, STEERING PROPULSION |
53R | AIRCRAFT POWER PLANTS |
54 | Mounting |
55 | Arrangement |
57 | Radiator arrangement |
58 | Auxiliary |
59 | High altitude |
60 | Transmission of power |
61 | Power plant using airship gas as fuel |
53A | Starters |
53B | Air intakes |
62 | AIRCRAFT PROPULSION |
63 | Launching |
64 | Manual |
65 | Screw |
70 | Paddle wheel |
71 | Reciprocating propeller |
72 | Beating wing |
73R | Fluid |
75.1 | AIRCRAFT CONTROL |
76R | Automatic |
174 | Flutter control |
175 | Electric course control |
177 | Multiple-axis altitude stabilization |
180 | By change in altitude |
183 | Of aircraft on its landing course |
189 | By remote radio signal |
191 | Acceleration control |
192 | With "dead-zone" control |
193 | With "softener" circuit |
194 | Monitoring circuit or response |
196 | Override of automatic control by human pilot |
78.1 | Fluid |
79 | Gyroscope actuated |
80 | Gravity actuated |
81 | Operated by landing |
82 | Vane operated |
76A | Motor torque control of flaps or tabs |
76B | Velocity operated devices |
76C | Gust compensators |
76J | Steerable jets |
220 | Pilot operated |
221 | Control system |
222 | Other than hand or foot actuated |
223 | With feel |
224 | With locking means |
225 | With dual purpose surface structure (e.g., elevons) |
226 | Fluid |
228 | Electric |
229 | Dual |
230 | With variable output |
231 | With interengaging gearing |
232 | With cable and linkage |
233 | Cable |
234 | Controller |
87 | Rudders and empennage |
88 | Rudders universally mounted |
89 | Elevators both front and rear |
90R | Ailerons and other roll control devices |
91 | Vertical fins |
92 | Stabilizing propellers |
93 | Stabilizing weights |
96 | Airship control |
99.1 | Fuselage |
99.11 | Wing |
99.12 | Drag |
99.13 | Flutter control |
99.14 | Trim tab |
99.2 | Specific control connection or actuator |
100R | LANDING GEAR |
101 | Amphibian |
102R | Retractable |
103R | Wheel |
105 | Water landing |
108 | Skids |
109 | Tail supports |
100C | Endless track |
100A | Inflatable |
110R | RETARDING AND RESTRAINING DEVICES |
111 | Wheel brake arrangement |
112 | Water brake arrangement |
113 | Aerodynamic retarders |
110A | Brake |
110B | Thrust reversers |
110C | Cable or net support |
110D | Aerodynamic braking |
110E | Landing platforms |
110F | Snares |
110G | Arresting hoods |
110H | Friction brakes |
114R | LANDING FIELD ARRANGEMENT |
117R | AIRCRAFT STRUCTURE |
118.1 | Load (e.g., cargo) accommodation |
118.5 | Passenger or crew accommodation |
119 | Fuselage and body construction |
123.1 | Airfoil construction |
123.11 | Inflatable |
123.12 | Corrugated panels |
123.13 | Honeycomb in skin panels |
123.14 | Hollow |
123.2 | Sparless frame construction |
123.5 | Nonmetallic filler (e.g., metal skin with foam, cork, or rubber filler) |
123.7 | Box beam |
123.8 | Main spar |
124 | Sectional |
125 | Airship hull construction |
126 | Airship skin construction |
127 | Airship load attachment |
128 | Airship gas cell construction and arrangement |
129.1 | Details |
129.2 | Fire prevention devices |
129.3 | Windows |
129.4 | Closures |
129.6 | Steps |
130 | Aerodynamic resistance reducing |
131 | Joints and connections |
132 | Skin fastening devices |
133 | Materials of construction |
134R | Ice prevention |
134A | Flexible surfaces |
134B | Heating fluid in airfoil |
134C | Deicing fluid on airfoil exterior |
134D | Electric |
134E | Nature of surface |
134F | Initiators and indicators |
135R | Fuel supply |
136 | Material discharging and diffusing |
137.1 | Passenger or cargo loading or discharging |
137.2 | Passenger |
137.3 | Aerial cargo unloading by parachute extraction |
137.4 | Releasable, externally mounted cargo |
117A | Skin cooling |
138R | SAFETY LOWERING DEVICES |
139 | Entire aircraft |
140 | Passenger compartment |
142 | Parachutes |
143 | Garment attached |
144 | Aircraft element convertible to parachute |
145 | Canopy construction |
146 | Inflated bracing |
147 | Storage and release |
151R | Harness |
152 | Control devices |
138A | Rotating vanes |
153R | KITES |
CROSS-REFERENCE ART COLLECTIONS | ||
900 | LIGHTWEIGHT, WINGED, AIR VEHICLE (E,G,. ULTRALIGHT OR HANG GLIDER) |
901 | Having delta shaped wing |
902 | Having parachute type wing |
903 | Powered |
904 | Miscellaneous hardware or control |
905 | INFLATABLE EVACUATION SLIDE |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
Any foreign patents or nonpatent literature from subclasses that have been reclassified have been transferred directly to the FOR Collection listed below. These classifications contain ONLY foreign patents or nonpatent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
FOR100 | AIRCRAFT CONTROL (244/75 R) |
FOR104 | SPACECRAFT (244/158 R) |