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Serge Le Gonidec
LEMAITRE ALBAN, LE GONIDEC SERGE: [fr] PROCEDE DE SECURISATION DU FONCTIONNEMENT DUNE TURBOMACHINE. Snecma, August 23, 2013: FR2987085-A1

[fr] Procédé de sécurisation du fonctionnement d'un ensemble tournant d'une turbomachine comprenant une turbine et une machine tournante, dans lequel procédé on anticipe le dépassement d'un seuil de vitesse prédéterminé (Ws) en réalisant répétitivement un cycle de prédiction au cours duquel : - on m ...


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John C Moise: Anti-thrombogenic blood pump. Nimbus, Weissenberger & Peterson, November 3, 1987: US04704121 (205 worldwide citation)

Thrombus formation in an implantable blood pump is prevented by using a close-tolerance purge seal for the impeller shaft or rotor. A blood-compatible fluid is used for the purge fluid (which is preferably also the bearing fluid), and the purge flow into the blood stream presents to the blood stream ...


3
Shao Shih Chin: Tiltable and adjustably oscillatable portable electric heater/fan. Holmes Products, Irving M Kriegsman, October 27, 1987: US04703152 (157 worldwide citation)

A portable electric heater/fan which can oscillate from side to side over a distance of 45 degrees or 90 degrees or remain stationary and which can also be tilted backward or forward so as to provide a beam of hot or cold air whose lateral extent and direction can be adjusted over two mutually perpe ...


4
Petrie James Alexander, Bracey Kenneth Edward George: Fan. The Secretary of State for Defence in Her Britannic Majesty s, May 1, 1973: US3729957 (135 worldwide citation)

A fan comprises first and second rotor stages driven through a differential ear. The first stage is driven from the sun gear of the differential while the second stage is driven from the annulus gear of the differential. The planet carrier is driven from drive means. The invention is particularly ap ...


5
Dale W Schubert, Richard S Gureghian: Vibration isolating seal for mounting fans and blowers. Barry Wright Corporation, Milton E Gilbert, Gary E Ross, February 4, 1986: US04568243 (133 worldwide citation)

A vibration isolating and sealing device for mounting a fan having a propeller rotatably secured within a housing, said device comprising an outer, substantially square frame; an inner substantially square frame; a generally "S" shaped flexural membrane disposed between and connecting said inner to ...


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Victoria Tsang Tam, Chadi Theodossy, Kenneth K Tang, Richard B Nelson, Paul W Barrows: Airflow flapper valve. Hewlett Packard Development Company, March 16, 2004: US06705833 (130 worldwide citation)

A blower apparatus includes a blower housing having at least one airflow channel. A flexible sheet having at least one flap is coupled to the blower housing such that the flap overlaps the channel to form a one-way valve. A plurality of flaps may be positioned over a plurality of channels to form a ...


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Multistage axial flow compressor stators. Secr Defence, June 28, 1978: GB1516041-A (118 worldwide citation)

1516041 Cooling axial flow compressors; ducted fan engines DEFENCE SECRETARY OF STATE FOR 14 Feb 1977 [25 Feb 1976] 07513/76 Headings F1C, F1J and FIT [Also in Division F4] Air flowing through a multi-stage axial flow compressor is cooled by stator blades 9 each formed as one end of a heat pipe 14, ...


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Paul W Havens, Dennis J Mancl: Air guide assembly for an electric motor and methods of making. Electrolux Corporation, Nicola A Pisano, March 22, 1994: US05296769 (117 worldwide citation)

An air guide and motor housing assembly for use in domestic and commercial vacuum cleaners is described wherein the assembly comprises an air guide having a center detail for engaging the motor housing to facilitate assembly of the components, and reduce creep, turbulence and vibration-induced noise ...


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William G Sheridan, Michael E McCune, Alessio Pescosolido: Flexible shaft for gas turbine engine. United Technologies Corporation, O Shea Getz P C, April 19, 2011: US07926260 (115 worldwide citation)

A shaft for a gas turbine engine is provided that includes a first shaft section, a second shaft section, a first flexible linkage, and a second flexible linkage. The first shaft section extends between a forward axial end and an aft axial end along a first axial centerline. The second shaft section ...


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Earl W Clausen, Lloyd C Hubbard: Centrifugal blood pump with impeller. MICI Partnership IV, Kinney & Lange, May 20, 1986: US04589822 (114 worldwide citation)

A centrifugal blood pump has an impeller with a hub, a blade support ring and alternating long and short blades. A tapered seal between a pump housing wall and a hub of an impeller which provides a fluid tight seal interface surrounding a shaft. The long blades of the impeller have rear edges which ...