Patents by Inventor Ulrich Spicher

Ulrich Spicher has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20150107550
    Abstract: A method is proposed for controlling and regulating an internal combustion engine according to the HCCI combustion method, in which a first fuel in a basic mixture is ignited using a pilot fuel, and in which the fuel quantities of the first fuel and the pilot fuel are changed to represent an operating point of the internal combustion engine. The invention is characterized in that a target combustion energy (VE(SL)) is calculated as a function of a power demand and, based on the target combustion energy (VE(SL)), the fuel quantity of the first fuel and the fuel quantity of the pilot fuel are determined using a distribution factor (CHI), wherein the distribution factor (CHI) is calculated as a function of an actual combustion position (VL(IST)) to a target combustion position (VL(SL)) using a combustion position controller (18).
    Type: Application
    Filed: April 15, 2013
    Publication date: April 23, 2015
    Applicant: MTU Friedrichshafen GmbH
    Inventors: Jörg Remele, Christina Sauer, Aron Toth, Andreas Flohr, Alexander Bernhard, Florian Bach, Erika Schaefer, Ulrich Spicher, Christoph Teetz
  • Patent number: 8616163
    Abstract: A lean combustion method is provided for a four-stroke reciprocating internal combustion engine having a cylinder, in which a combustion chamber is delimited by a cylinder head and a piston is movable in a reciprocating manner, the piston being able to vary the volume of the combustion chamber. A fuel can be introduced directly into the combustion chamber, and at least one gas exchange inlet valve and one gas exchange outlet valve are provided for a gas exchange. An intermediate compression can be set in the combustion chamber at a gas exchange top dead center and a main compression can be set at an ignition top dead center.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: December 31, 2013
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Walter Huebner, Udo Gerke, Ulrich Spicher, Amin Velji, Michael Hoenl, Konstantinos Boulouchos, Norbert Peters, Olaf Roehl, Christof Schulz, Dennis Bensing, Christian Laemmle
  • Publication number: 20120266848
    Abstract: A lean combustion method is provided for a four-stroke reciprocating internal combustion engine having a cylinder, in which a combustion chamber is delimited by a cylinder head and a piston is movable in a reciprocating manner, the piston being able to vary the volume of the combustion chamber. A fuel can be introduced directly into the combustion chamber, and at least one gas exchange inlet valve and one gas exchange outlet valve are provided for a gas exchange. An intermediate compression can be set in the combustion chamber at a gas exchange top dead center and a main compression can be set at an ignition top dead center.
    Type: Application
    Filed: May 4, 2012
    Publication date: October 25, 2012
    Applicant: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Walter HUEBNER, Udo Gerke, Ulrich Spicher, Amin Velji, Michael Hoenl, Konstantinos Boulouchos, Norbert Peters, Olaf Roehl, Christof Schulz, Dennis Bensing, Christian Laemmle
  • Publication number: 20120173125
    Abstract: The invention relates to a method for operating an internal combustion engine and a combustion chamber for such an internal combustion engine. According to the method, a thinned base mixture is ignited by additionally injecting a pilot fuel at an injection point in time, wherein the injection point in time of the pilot fuel is selected such that the pilot fuel is not fully homogenized with the base mixture.
    Type: Application
    Filed: June 24, 2010
    Publication date: July 5, 2012
    Applicant: MTU Friedrichshafen GmbH
    Inventors: Carsten Baumgarten, Johannes Eichmeier, Christina Sauer, Arne Schneemann, Ulrich Spicher, Christoph Teetz
  • Patent number: 7874277
    Abstract: A reciprocating engine includes a combustion chamber, and a gas exchange inlet valve and a gas exchange outlet valve for a charge cycle. The method introduces an inlet gas into the combustion chamber in an intake phase; introduces a primary quantity of fuel into the combustion chamber during the intake phase and/or a compression phase; compresses the inlet gas and the fuel in the compression phase; ignites a mixture of inlet gas and fuel formed in the combustion chamber; and expands and discharges an exhaust gas formed by the combustion in an expansion phase. A pilot quantity of fuel is introduced into the combustion chamber before the primary quantity of fuel is introduced.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: January 25, 2011
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Walter Huebner, Amin Velji, Sebastian Hensel, Christof Schulz, Boris Kock, Norbert Peters, Olaf Roehl, Konstantinos Boulouchos, Ulrich Spicher
  • Publication number: 20100083934
    Abstract: A reciprocating engine includes a combustion chamber, and a gas exchange inlet valve and a gas exchange outlet valve for a charge cycle. The method introduces an inlet gas into the combustion chamber in an intake phase; introduces a primary quantity of fuel into the combustion chamber during the intake phase and/or a compression phase; compresses the inlet gas and the fuel in the compression phase; ignites a mixture of inlet gas and fuel formed in the combustion chamber; and expands and discharges an exhaust gas formed by the combustion in an expansion phase. A pilot quantity of fuel is introduced into the combustion chamber before the primary quantity of fuel is introduced.
    Type: Application
    Filed: October 5, 2009
    Publication date: April 8, 2010
    Applicant: BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT
    Inventors: WALTER HUEBNER, AMIN VELJI, SEBASTIAN HENSEL, CHRISTOF SCHULZ, BORIS KOCK, NORBERT PETERS, OLAF ROEHL, KONSTANTINOS BOULOUCHOS, ULRICH SPICHER
  • Patent number: 4918982
    Abstract: In a device for measuring and transmitting the combustion radiation in the combustion chamber of combustion engines, the combustion radiation in the movable part of the combustion engine is detected by means of optical sensors arranged therein and transmited through optical light guides to the fixed part of the engine. At the gap between the movable part and the fixed part an optical light guide emitting with its cross-section representative signals for the determined combustion radiation is arranged in the movable part, and on the fixed part opposite the gap an optical receiver is mounted for receiving and transmitting the received signals.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: April 24, 1990
    Assignee: FEV Motorentechnik GmbH & Co. KG
    Inventors: Franz Pischinger, Ulrich Spicher, Georg Heuser