Patents by Inventor Peter Fahrenbach
Peter Fahrenbach 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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Patent number: 9488626Abstract: The invention relates to diagnostic methods according to the preamble of the equivalent claims 1 and 2, with which the state of a poppet valve in the course of the switching cycles and/or events thereof, such as the occurrence of pressure shocks or surges during continuous operation is/are monitored continuously, the measured signals are stored and the stored measured signals are interpreted in a targeted manner and early indication of cases of damage is carried out.Type: GrantFiled: September 6, 2011Date of Patent: November 8, 2016Assignee: GEA TUCHENHAGEN GMBHInventors: Matthias Suedel, Peter Fahrenbach, Bernd Porath
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Publication number: 20130228005Abstract: The invention relates to diagnostic methods according to the preamble of the equivalent claims 1 and 2, with which the state of a poppet valve in the course of the switching cycles and/or events thereof, such as the occurrence of pressure shocks or surges during continuous operation is/are monitored continuously, the measured signals are stored and the stored measured signals are interpreted in a targeted manner and early indication of cases of damage is carried out.Type: ApplicationFiled: September 6, 2011Publication date: September 5, 2013Applicant: GEA TUCHENHAGEN GMBHInventors: Matthias Suedel, Peter Fahrenbach, Bernd Porath
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Patent number: 8398362Abstract: A turbomolecular pump includes a plurality of alternatively axially arranged one behind another, rotor and stator discs (8,9) provided with blades (10), with the blades (10) located in vicinity of the high vacuum side having a blade angle (?) that is steeper than blade angle (?) of the blades (10) located in vicinity of the vacuum side, and with the blade angle (?) of the blades (10) located in the vicinity of the vacuum side (3) amounting to less than 8°.Type: GrantFiled: March 14, 2005Date of Patent: March 19, 2013Assignee: Pfeiffer Vacuum GmbHInventors: Armin Conrad, Peter Fahrenbach
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Patent number: 7033142Abstract: A vacuum pump system includes at least one high-vacuum pump, a fore-vacuum pump, and at least one intermediate pump, arranged between the at least one high-vacuum pump and the fore-vacuum pump and having its inlet connected directly and exclusively with the outlet of the high-vacuum pump.Type: GrantFiled: January 24, 2003Date of Patent: April 25, 2006Assignee: Pfeifer Vacuum GmbHInventors: Armin Conrad, Peter Fahrenbach, Matthias Mädler
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Patent number: 7015609Abstract: A machine, having a high-speed rotor, and stationary components having connection surfaces for connecting the machine with external components and/or the stationary components with each other and provided with outer surface layers having a high friction coefficient.Type: GrantFiled: February 20, 2003Date of Patent: March 21, 2006Assignee: Pfeiffer Vacuum GmbHInventor: Peter Fahrenbach
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Publication number: 20050207884Abstract: A turbomolecular pump includes a plurality of alternatively axially arranged one behind another, rotor and stator discs (8,9) provided with blades (10), with the blades (10) located in vicinity of the high vacuum side (2) having a blade angle (?) that is steeper than blade angle (?) of the blades (10) located in vicinity of the vacuum side (3), and with the blade angle (?) of the blades (10) located in the vicinity of the vacuum side (3) amounting to less than 8°.Type: ApplicationFiled: March 14, 2005Publication date: September 22, 2005Inventors: Armin Conrad, Peter Fahrenbach
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Publication number: 20050058554Abstract: A connection element for connecting two parts, in particular, an external component with a vacuum pump, includes a first member engageable with the external component, and a second member engageable with the connection component provided on the pump housing, with the first and second members being slidable relative to each other during connection of the external component with the vacuum pump and having slidable relative to each other surfaces having a predetermined and unchangeable frictional resistance.Type: ApplicationFiled: September 10, 2004Publication date: March 17, 2005Inventors: Peter Fahrenbach, Robert Watz
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Publication number: 20040146410Abstract: A vacuum pump system for delivering light gases and including at least one high-vacuum pump and at least one intermediate pump connected directly with the outlet of the high-vacuum pump and with small conductance losses.Type: ApplicationFiled: January 24, 2003Publication date: July 29, 2004Inventors: Armin Conrad, Peter Fahrenbach, Matthias Madler
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Patent number: 6699009Abstract: A vacuum pump including a housing having a suction opening in its high-vacuum region, a gas outlet opening in its high pressure region, pump-active cooperating rotor and stator components arranged in the housing for pumping gases from the suction opening to the outlet opening, with an end of the pump-active components adjoining the high pressure region being connected with the gas outlet opening via intermediate chamber, a heating device provided in the intermediate chamber and connected with stator components, which are located in the high pressure region, by a connection having a high thermal conductibility, and thermal resistance elements for separating the heating device from the housing.Type: GrantFiled: February 13, 2002Date of Patent: March 2, 2004Assignee: Pfeiffer Vacuum GmbHInventor: Peter Fahrenbach
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Publication number: 20030160528Abstract: A machine, having a high-speed rotor, and stationary components having connection surfaces for connecting the machine with external components and/or the stationary components with each other and provided with outer surface layers having a high friction coefficient.Type: ApplicationFiled: February 20, 2003Publication date: August 28, 2003Inventor: Peter Fahrenbach
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Patent number: 6540475Abstract: A gas friction pump including a plurality of pumping active rotor and stator components arranged in the pump housing for delivery of gases and for producing a compression ration and having a diameter larger than a diameter of the suction opening formed in the housing, and a modified rotor component located adjacent to the suction opening and having a radial extent which increases starting from the suction opening in a direction of a radial extent of the pumping active rotor and stator components.Type: GrantFiled: May 14, 2001Date of Patent: April 1, 2003Assignee: Pfeiffer Vacuum GmbHInventors: Armin Conrad, Peter Fahrenbach
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Patent number: 6454525Abstract: A turbomolecular pump including a plurality of rotor and stator discs alternatingly arranged with each other, a plurality of spacer rings for spacing the stator discs from each other, and at least one elastically deformable metallic member arranged between at least two spacer rings, with the stator discs, the spacer rings, and the elastically deformable metallic member forming together a stator stack.Type: GrantFiled: February 23, 2001Date of Patent: September 24, 2002Assignee: Pfeiffer Vacuum GmbHInventors: Armin Blecker, Wolfgang Bremer, Peter Fahrenbach
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Publication number: 20020114695Abstract: A vacuum pump including a housing having a suction opening in its high-vacuum region, a gas outlet opening in its high pressure region, pump-active cooperating rotor and stator components arranged in the housing for pumping gases from the suction opening to the outlet opening, with an end of the pump-active components adjoining the high pressure region being connected with the gas outlet opening via intermediate chamber, a heating device provided in the intermediate chamber and connected with stator components, which are located in the high pressure region, by a connection having a high thermal conductibility, and thermal resistance elements for separating the heating device from the housing.Type: ApplicationFiled: February 13, 2002Publication date: August 22, 2002Inventor: Peter Fahrenbach
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Publication number: 20010041133Abstract: A gas friction pump including a plurality of pumping active rotor and stator components arranged in the pump housing for delivery of gases and for producing a compression ration and having a diameter larger than a diameter of the suction opening formed in the housing, and a modified rotor component located adjacent to the suction opening and having a radial extent which increases starting from the suction opening in a direction of a radial extent of the pumping active rotor and stator components.Type: ApplicationFiled: May 14, 2001Publication date: November 15, 2001Inventors: Armin Conrad, Peter Fahrenbach
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Publication number: 20010019694Abstract: A turbomolecular pump including a plurality of rotor and stator discs alternatingly arranged with each other, a plurality of spacer rings for spacing the stator discs from each other, and at least one elastically deformable metallic member arranged between at least two spacer rings, with the stator discs, the spacer rings, and the elastically deformable metallic member forming together a stator stack.Type: ApplicationFiled: February 23, 2001Publication date: September 6, 2001Inventors: Armin Blecker, Wolfgang Bremer, Peter Fahrenbach