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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US39800619 Jul 197414 Sep 1976Fuel injection-spark ignition system for an internal combustion engine
US399581327 Sep 19747 Dic 1976Piezoelectric fuel injector valve
US40221663 Abr 197510 May 1977Teledyne Industries, Inc.Piezoelectric fuel injector valve
US41010763 Ene 197718 Jul 1978Teledyne Industries, Inc.Piezoelectric fuel injector valve
US41601849 Ene 19783 Jul 1979The Singer CompanyPiezoelectric actuator for a ring laser
US43005096 Oct 198017 Nov 1981Ford Motor CompanyFuel injection and control systems
US447125614 Jun 198311 Sep 1984Nippon Soken, Inc.Piezoelectric actuator, and valve apparatus having actuator
US449956621 Ene 198112 Feb 1985The United States of America as represented by the Secretary of the NavyElectro-ceramic stack
US45357439 Abr 198420 Ago 1985Nippon Soken, Inc.Fuel injection apparatus for an internal combustion engine
US455074414 Nov 19835 Nov 1985Nippon Soken, Inc.Piezoelectric hydraulic control valve
US455305926 Sep 198412 Nov 1985Nippon Soken, Inc.Piezoelectric actuator and a piezoelectric pump injector incorporating the same
US469910327 Ene 198613 Oct 1987Nippondenso Co., Ltd.Fuel injection system
US472945930 Sep 19858 Mar 1988Nippon Soken, Inc.Adjustable damping force type shock absorber
US475271225 Nov 198621 Jun 1988Nippon Soken, Inc.Piezoelectric laminate stack
US480339314 Jul 19877 Feb 1989Toyota Jidosha Kabushiki KaishaPiezoelectric actuator
US481360116 Feb 198821 Mar 1989Daimler-Benz AktiengesellschaftPiezoelectric control valve for controlling fuel injection valve in internal-combustion engines
US481465911 Ene 198821 Mar 1989Toyota Jidosha Kabushiki KaishaVariable cross-section piezoelectric actuator
US495958114 Nov 198825 Sep 1990Mannesmann Rexroth GmbHServo valve having a piezoelectric element as a control motor
US49955873 Nov 198926 Feb 1991Martin Marietta CorporationMotion amplifier employing a dual piston arrangement
US505573317 Sep 19908 Oct 1991Method for converting micromotions into macromotions and apparatus for carrying out the method
US505573428 Sep 19908 Oct 1991Caterpillar Inc.Single-piece multiple electrode conductor
US505985728 Sep 199022 Oct 1991Caterpillar Inc.Integral connector for a piezoelectric solid state motor stack
US511779019 Feb 19912 Jun 1992Caterpillar Inc.Engine operation using fully flexible valve and injection events
US514129718 Abr 199125 Ago 1992Aisin Seiki Kabushiki KaishaAnti-lock brake circuit with a piezo hydraulic pump and changeover valve
US514807728 Sep 199015 Sep 1992Caterpillar Inc.Coating surrounding a piezoelectric solid state motor stack
US515540911 Jul 199113 Oct 1992Caterpillar Inc.Integral conductor for a piezoelectric actuator
US516818918 Sep 19911 Dic 1992Caterpillar Inc.Solderless connector for a solid state motor stack
US519168728 Sep 19909 Mar 1993Caterpillar Inc.Process for making piezoelectric stacks
US520129630 Mar 199213 Abr 1993Caterpillar Inc.Control system for an internal combustion engine
US520515223 Ene 199227 Abr 1993Caterpillar Inc.Engine operation and testing using fully flexible valve and injection events
US521825918 Feb 19928 Jun 1993Caterpillar Inc.Coating surrounding a piezoelectric solid state motor stack
US527113321 Sep 199221 Dic 1993Caterpillar Inc.Method for making a piezoelectric stack
US541714218 May 199423 May 1995Caterpillar Inc.Hydraulic amplifier
US586697114 Ago 19962 Feb 1999Active Control Experts, Inc.Hybrid motor
US603446622 Dic 19977 Mar 2000Boeing North American, Inc.Amplifier for amplification of a microactuator
US609399525 Ene 199925 Jul 2000Active Control eXperts, Inc.Hybrid motor
US644726324 Ago 200010 Sep 2002Delphi Technologies, Inc.Fuel pump with auxiliary pumping chamber
US674595825 Mar 20028 Jun 2004International Engine Intellectual Property Company, LLCDual control valve
US715783323 Feb 20052 Ene 2007Atlas Copco Electric Tools GmbHTool using a piezo actuator
US722579015 Abr 20055 Jun 2007Westport Power Inc.Valve device and method for injecting a gaseous fuel
US750682531 May 200624 Mar 2009Caterpillar Inc.Fuel injector control system
US762813911 Jul 20068 Dic 2009Detroit Diesel CorporationFuel injector with dual piezo-electric actuator
US768712813 Ago 200330 Mar 2010Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Film and compound films with an embossed pattern, particularly for producing electrochemical components
US77467154 Ago 200429 Jun 2010NXP B.V.Erase and read schemes for charge trapping non-volatile memories