Patents by Inventor Marc Zimmermann
Marc Zimmermann 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).
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Publication number: 20140301876Abstract: A piston pump, in particular for a hydraulic assembly of an electronically controllable vehicle brake system, includes a cylinder element that has a pressure chamber with an outlet formed on the inside. The piston pump further includes an outlet-restricting element held on the outside of the cylinder element on a component by a first holder.Type: ApplicationFiled: October 25, 2011Publication date: October 9, 2014Applicant: Robert Bosch GmbHInventors: Oliver Gaertner, Heiko Jahn, Marc Zimmermann, Daniel Gosse
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Patent number: 8845038Abstract: A piston pump includes a piston assembly which has a first piston element, a second piston element, and at least one transverse bore which corresponds to a longitudinal bore. The piston pump further includes a cylinder in which the piston assembly is guided in a longitudinally movable manner, and an inlet valve which includes a cage element, in which an inlet valve spring and sealing element are arranged, and a corresponding inlet valve seat which is arranged on the piston assembly. The inlet valve sealing element can be pressed sealingly into the corresponding inlet valve seat by means of a restoring spring in order to close off the longitudinal bore. The second piston element is configured as a sleeve made of a wear-resistant material, which accommodates axially acting power components. The inlet valve seat is disposed on a bending edge of the second piston element configured as a sleeve. The at least one transverse bore corresponding to the longitudinal bore is placed in the second piston element.Type: GrantFiled: September 18, 2008Date of Patent: September 30, 2014Assignee: Robert Bosch GmbHInventors: Josef Hipp, Beate Schumann, Horst Beling, Marc Zimmermann, Stefan Hallermann
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Patent number: 8820830Abstract: A vehicle seat arrangement includes a seat body that includes a seat and a seat back at a rear of the seat. The vehicle seat arrangement also includes displaceable seat components which produce a lateral bracing as a function of accelerations in the direction of a transverse vehicle axis. The displaceable seat components are at least partly extendable in a necessitating situation. In a retracted state, the displaceable seat component is situated entirely within the seat back. In an actuated state, the displaceable seat component extends forward from an interior of the seat back, thereby forming an interior sidewall of the seat.Type: GrantFiled: September 17, 2009Date of Patent: September 2, 2014Assignee: Robert Bosch GmbHInventors: Thomas Lich, Marc Zimmermann, Gian Antonio D'Addetta
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Patent number: 8801408Abstract: The invention relates to a piston pump for a motor vehicle braking system having a housing section and a piston guided displaceably in the housing section. The invention further has an intake valve having a valve seat arranged on the piston. The valve seat is configured as a circular sealing edge. A spherical valve body of the intake valve seals against the spherical sealing edge.Type: GrantFiled: September 26, 2007Date of Patent: August 12, 2014Assignee: Robert Bosch GmbHInventors: Heiko Druckenmueller, Oliver Schmautz, Marc Zimmermann
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Publication number: 20140061438Abstract: An image sensor module includes an image sensor bearer and an image sensor, the image sensor bearer being fashioned as an injection-molded circuit bearer, and the image sensor being situated on the image sensor bearer, and the image sensor bearer including at least one holding device that is integrally formed on the image sensor bearer.Type: ApplicationFiled: January 16, 2012Publication date: March 6, 2014Inventors: Hartmut Rohde, Ulrich Seger, Thomas Kurzweil, Uwe Apel, Marc Zimmermann, Anja Beckerle, Klaus Zeh, Gerald Brinks
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Patent number: 8664813Abstract: The phase ring assembly includes a support ring carrying a plurality of phase rings provided with connection arms that are bent to the phase rings. The connection arms are placed between the phase rings and the support ring. The support ring has recessed seats housing the connection arms.Type: GrantFiled: July 26, 2011Date of Patent: March 4, 2014Assignee: Alstom Technology Ltd.Inventors: Jean Charles Ast, Marc Zimmermann
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Publication number: 20140030125Abstract: A spring element includes a disc-shaped basic body, in which at least one spring bridge is inserted. The basic body has at least one dynamic throttle point to throttle a fluid flow. The basic body has a resilient configuration in a region of the at least one throttle point. Accordingly, an opening cross section of the at least one throttle point is configured to be set variably depending on a pressure difference.Type: ApplicationFiled: November 22, 2011Publication date: January 30, 2014Applicant: Robert Bosch GmbHInventors: Reiner Fellmeth, Juergen Haecker, Oliver Gaertner, Heiko Jahn, Marc Zimmermann, Harald Hermann, Rolf Stotz, Daniel Gosse
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Publication number: 20140030128Abstract: A piston pump for delivering fluids includes a piston configured to be driven to perform a reciprocating stroke movement. The piston pump includes a cylinder barrel in which the piston is held in an axially displaceable manner. The piston pump also includes a displacement chamber which is arranged in the cylinder barrel between an inlet valve and an outlet valve. The outlet valve is arranged on a cylinder barrel base, and, on a side of the cylinder barrel base which faces away from the displacement chamber, an annular projection is formed. The annular projection is configured to surround an installation space for the outlet valve.Type: ApplicationFiled: October 24, 2011Publication date: January 30, 2014Applicant: Robert Bosch GmbHInventors: Oliver Gaertner, Heiko Jahn, Marc Zimmermann, Daniel Gosse
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Publication number: 20140030127Abstract: A valve, in particular an outlet valve of a hydraulic piston pump for delivering a fluid, includes a valve seat, a valve closing body, and a guide mechanism. A valve orifice is formed in the valve seat and has an inner wall. The valve closing body is arranged on the valve seat and is configured to selectively open and close the valve orifice. The guide mechanism is configured to guide the valve closing body relative to the valve seat and extends into the valve orifice. The guide mechanism has at least one fluid-conducting recess and at least one region configured to bear against the inner wall of the valve orifice to guide the valve closing body.Type: ApplicationFiled: October 11, 2011Publication date: January 30, 2014Applicant: Robert Bosch GmbHInventors: Reiner Fellmeth, Oliver Gaertner, Heiko Jahn, Marc Zimmermann, Harald Hermann, Rolf Stotz, Daniel Glosse
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Patent number: 8622718Abstract: The invention relates to a pump element for installation in a pump bore of a hydraulic block, which includes a pump plunger, a restoring spring for the pump plunger, and an inlet valve having an inlet valve cover, in which a closing spring and a closing body are arranged. According to the invention, the inlet valve cover has a high pressure sealing section, which rests against the valve seat element in the axial direction with spring force support provided by the restoring spring. The valve seat element is positively connected to the pump plunger at least before installation of the pump element in the pump bore. Centering elements are provided for centering the inlet valve cover relative to the valve seat element. The invention further relates to a hydraulic block and to an installation method.Type: GrantFiled: September 24, 2008Date of Patent: January 7, 2014Assignee: Robert Bosch GmbHInventors: Nicole Kathan, Ludger Hermanns, Marc Zimmermann
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Patent number: 8591209Abstract: The invention relates to a pump having a valve through which a fluid can optionally flow. The valve is embodied by a cavity for displaceably guiding a spherical blocking body, and a valve seat that is spatially adapted to the spherical shape of the blocking body. A free space protruding radially outwards from the spherical body is located downstream, directly behind the valve seat, for temporarily receiving the fluid which flows through the valve seat.Type: GrantFiled: September 21, 2007Date of Patent: November 26, 2013Assignee: Robert Bosch GmbHInventors: Oliver Schmautz, Marc Zimmermann
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Publication number: 20130287610Abstract: A method is used to produce a piston pump having a housing and a piston subassembly. The piston subassembly is displaceably guided in the housing and has a first, rod-like piston element and a second, sleeve-like piston element. The second piston element is connected to the first piston element via a press fit. At least one transverse bore and a longitudinal bore are arranged in the second piston element. A stop edge for the housing is arranged on the second piston element. The piston subassembly also has an inlet valve, which includes a receiving element, in which an inlet valve spring and an inlet valve sealing element are arranged. The piston subassembly also has a corresponding inlet valve seat, which is arranged on the second piston element. While the second piston element is being machined, the press fit and the longitudinal bore are produced and/or finished in one step.Type: ApplicationFiled: July 18, 2011Publication date: October 31, 2013Applicant: ROBERT BOSCH GMBHInventors: Bernard Huckenbeck, Marc Zimmermann, Martin Juretko
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Publication number: 20130287609Abstract: An arrangement for throttling a fluid flow includes a throttle element arranged so as to influence a flow cross section in a fluid duct. The throttle element has a resiliently elastic disc-shaped basic body which is arranged with a top side and a bottom side between at least two supports in the fluid duct. The body is arranged in such a way that the flow cross section can be variably adjusted as a function of a pressure difference between the top side and the bottom side of the resiliently elastic disc-shaped basic body. At least one support bears against the top side of the resiliently elastic disc-shaped basic body, and at least one support bears against the bottom side of the resiliently elastic disc-shaped basic body.Type: ApplicationFiled: July 6, 2011Publication date: October 31, 2013Applicant: Robert Bosch GMBHInventors: Reiner Fellmeth, Juergen Haecker, Oliver Gaertner, Heiko Jahn, Marc Zimmermann, Wolfgang Schuller, Harald Hermann, Rolf Stotz, Daniel Gosse
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Publication number: 20130240773Abstract: A valve of a piston pump, in particular for a hydraulic vehicle brake system, includes a closing body configured to be moved in an axially guided manner against a sealing seat. The closing body is formed in two pieces, which include a damping piston and a closing element inserted in the damping piston.Type: ApplicationFiled: June 21, 2011Publication date: September 19, 2013Applicant: Robert Bosch GmbHInventors: Marc Zimmermann, Oliver Hennig
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Publication number: 20130202465Abstract: A piston pump includes a piston, a sealing element sealing the piston radially with respect to a cylinder, and an inlet valve arranged on the piston. The inlet valve includes a valve cage holding a closing member. The sealing element is integrally designed with the valve cage.Type: ApplicationFiled: November 3, 2010Publication date: August 8, 2013Applicant: Robert Bosch GmbHInventors: Heiko Jahn, Marc Zimmermann, Martin Juretko
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Patent number: 8414276Abstract: The invention relates to a piston pump for a vehicle braking system, with a housing section and a piston, which is guided in the housing section in a slidable manner. An accommodating member for accommodating an intake valve is provided in the housing section, and a sealing element adjoins the accommodating member to seal the piston against the housing section. A piston rod adjoins the sealing element which is embodied in one piece with the accommodating member.Type: GrantFiled: May 22, 2007Date of Patent: April 9, 2013Assignee: Robert Bosch GmbHInventors: Wolfgang Schuller, Marc Zimmermann
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Patent number: 8388325Abstract: The invention relates to a piston pump for a vehicle braking system, having a housing section and a piston that is displacably guided into the housing section. A receiving cap is provided for receiving an inlet valve. A sealing element is connected to the receiving cap for sealing the piston and a piston rod that is joined to the sealing element. The piston rod has a first and a second piston rod element. In the first piston rod element, a fluid inlet for introducing the fluid into the inside of the piston is provided. The second piston rod element partially covers the fluid inlet in the axial direction of the piston.Type: GrantFiled: September 25, 2007Date of Patent: March 5, 2013Assignee: Robert Bosch GmbHInventors: Oliver Schmautz, Marc Zimmermann
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Patent number: 8382459Abstract: The invention relates to a piston pump for conveying a fluid, in particular in a vehicle brake system. The piston pump has a cylinder and a piston movably disposed in the cylinder. A restoring element preloads the piston, and a drive unit for actuates the piston in the cylinder to pump the fluid into a pressure chamber formed in the cylinder. The piston is embodied by a first piston par and a second piston part. The first piston part is a cylindrical body, which can be moved by the drive unit. The second piston part form the piston base, in which four radial inlet openings and one axial connection opening for communication with the pressure chamber are disposed. A flange for the disposition of a seal is disposed on the outer circumference of the piston base element. The openings are simple to make in the face ends and circumferential regions of the second piston part.Type: GrantFiled: August 25, 2006Date of Patent: February 26, 2013Assignee: Robert Bosch GmbHInventors: Wolfgang Schuller, Marc Zimmermann
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Publication number: 20130037283Abstract: A length adjustable lifting strut (1) for a hitch linkage of a tractor has two connection elements (11, 12) for connecting the lifting strut (1) to components (43, 44) of the hitch linkage. A fine adjustment mechanism 17 is provided on the lifting strut (1) to finely adjust the length of the lifting strut 1. A quick adjustment mechanism (21) is provided to adjust the lifting strut (1) length and is retainable in at least two discrete positions.Type: ApplicationFiled: August 1, 2012Publication date: February 14, 2013Applicant: GKN Walterscheid GmbHInventors: Joachim Laubner, Achim Schröder, Wolfgang Adamek, Marc Zimmermann
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Patent number: 8241020Abstract: The present invention relates to a piston pump. A piston with at least one transverse bore and a longitudinal blind bore, has a plate element with an opening, arranged on the piston at an opening of the longitudinal blind bore. The invention includes an inlet valve, an outlet valve, and a pressure chamber arranged between the inlet valve and the outlet valve. The inlet valve has a pretensioning element, a closing element, and a sealing seat, which sealing seat is built on the plate element.Type: GrantFiled: October 2, 2007Date of Patent: August 14, 2012Assignee: Robert Bosch GmbHInventor: Marc Zimmermann