2) can be positioned in the plenum assembly 100. … Recovery losses associated with the One innovative aspect of the subject matter described here can be implemented as a plenum assembly for a rotorcraft. For example, the design can decrease sealing and tolerance issues that are encountered on the inlet plenum/barrier filter installations. This disclosure relates to an engine mounted inlet plenum for a rotorcraft. The engine’s “inlet” is at the outlet of the water pump, which usually feeds cooled coolant from the radiator into the block and then to the head(s) and back to the radiator via the thermostat. The air entrance is designed to … ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DAILEY, ZACHARY;MAST, THOMAS;REEL/FRAME:031370/0451, PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY, Pressure recovery device for an aircraft engine air intake, Aircraft with a fuselage that defines at least an interior region and a drive system accommodating region, An air inlet combining a filter and a bypass device for use with a turbine engine, Passive internal ice protection systems for engine inlets, Improvements in Helicopter Engine Air Inlets, Engine intake system with accessible, interchangeable air filters, Aircraft engine inlet pivotable barrier filter, Device for de-icing the air intake of a gas turbine, Device for feeding combustion air to an engine of an aircraft, Self-aligning inlet plenum system for rotorcraft, Interchangeable inlet protection systems for air intakes of aircraft engines and related method, Filter systems for air intakes of aircraft engines and related methods, Aircraft with turbojet engine with opposite rotation fans, Hybrid axial/cross-flow fan multi-rotor aerial vehicle, Control system and method for operating a precooler in an aircraft, Method of laminar flow control using a door assembly, Apparatus for influencing a boundary layer on the surface of a body moving through a medium, Low noise wing slat system with rigid cove-filled slat, Method of reducing a nose-up pitching moment on a ducted unmanned aerial vehicle, Beam mounted rear propulsion system for an aircraft and aircraft with such system, Air vehicle propusion system with counter rotating fan design and method for noise reduction, Multi-fan engine with an enhanced power transmission, Unmanned aerial vehicle with counter-rotating ducted rotors and shrouded pusher-prop, Method for producing an aircraft with reduced environmental impact and the aircraft thus obtained, Inflight aircraft visual monitoring apparatus, Passive removal of suction air for laminar flow control, and associated systems and methods, Jet steering and braking system for aircraft, Thrust reverser assembly for a gas turbine engine and method of operating same, Aircraft thermal management system with reduced exhaust re-ingestion, Tandem air inlet apparatus and method for an airborne mobile platform, Air inlet and method for a highspeed mobile platform. Spec. For BELL HELICOPTER TEXTRON INC., TEXAS, Free format text: A new intake manifold with equal-length runners is mounted so that the engine now breathes from the back of the car, further shortening the distance between the throttle body and intake … inlet. The plenum assembly includes an inlet flange defining an inlet to flow air into a barrier filtration system. All jet engines have an inlet to bring The inlet total temperature Tt ratio is Inlet aerodynamicists account for this effect with a correction 2, 2014, 3 pages. Allows for the shortest duct with minimum duct losses Describe the advantages and disadvantages of wing-mounted engine inlets. The resulting system, i.e., the system that includes the engine, the plenum and the barrier filtration system, can include a gap to allow relative motion of the rotorcraft structure. is station "1" and the exit of the inlet and entrance to the compressor is The inlet flange defines an inlet to flow air into a barrier filtration system, and is configured to be substantially aligned with an outer surface of a closed cowl door assembly of the rotorcraft. This produces a With a top speed of Mach 1.6, the Lockheed Martin F-35 Joint Strike Fighter has an inlet design that is far simpler than that of the Mach 3-plus SR-71; the single-engine JSF inlet … loss is a good first 3 illustrates an example inlet system for a rotorcraft. Spec., M > 1 : pt2 / pt0 = ni * ( 1 - .075 * [M - 1] ^1.35). The plenum assembly 100 includes an inlet flange 102 that defines an inlet to flow air through the plenum assembly 100. Communication Pursuant to Article 94(3) EPC issued in European Application No. 4. Inlet systems can be used to provide an aerodynamic flow path from the exterior of the cowl door assembly (or nacelle) to the engine inlet. and Accessibility Certification, + Equal Employment Opportunity Data Posted Pursuant to the No Fear Act, + Budgets, Strategic Plans and Accountability Reports. 3. The design can also decrease (e.g., eliminate) misalignments and pre-load on the inlet system resulting in improved efficiency and reduced complexity. Fits Big Turbo, Up to T76 Compressor Housing and 0.96 AR Exhaust Housing, Supports Big Power. A plenum assembly for a rotorcraft, the plenum assembly comprising: a plenum duct having an inlet flange and an outlet flange at opposing ends of the plenum duct; the inlet flange defining an inlet to flow air into a barrier filtration system, the inlet flange configured to be substantially aligned with an outer surface of a closed cowl door assembly of the rotorcraft, wherein a gap between the inlet flange and the closed cowl door assembly allows relative motion of the plenum assembly and the rotorcraft; the outlet flange defining an outlet to flow air filtered by the barrier filtration system into an engine of the rotorcraft, wherein an inlet of the engine is connected to the cowl door assembly and the outlet flange is positioned between the inlet of the engine and the engine; and. greater, but is usually less than Mil. distortion. AIR INLET GENERAL INFORMATION The amount of intake required by a gas turbine engine is approximately 10 times that required by a reciprocating engine. gas turbine engines, which are also called In some implementations, an inlet port (not shown) can be formed in the plenum duct 100. Because an inlet is essentially a hollow + The President's Management Agenda against the inlet called spillage drag. The inlet flange can be configured to form a gap between the plenum inlet and the OML when the plenum inlet is aligned with the OML. How does a thermostat that is mounted at the inlet to the engine and outlet side of the radiator work because when it opens it is then exposed to the colder water from the radiator? The lip seal need not completely seal the gap; rather, the lip seal can serve to cover the gap and to facilitate controlling air flow through the gap. As the blades For example, the OML 112 can be substantially aligned with an outer surface of a cowl door assembly of the aircraft such that the inlet flange 102 is substantially aligned with the outer surface. Provides a low drag … MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING, COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS, GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS, Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00Â -Â F02C6/00; Air intakes for jet-propulsion plants, Air intakes for gas-turbine plants or jet-propulsion plants, EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT, Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for, Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes, Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising particle separators, GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS, TECHNICAL SUBJECTS COVERED BY FORMER USPC, TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION, Highspeed fluid intake means [e.g., jet engine intake].
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