Patents by Inventor Rudi Dittmar
Rudi Dittmar 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: 20230193907Abstract: The invention relates to a side-channel machine having a housing (4a), located in the housing (4a) a side-channel (28) for guiding a gas, and at least one gas inlet opening (34) which is formed in the housing (4a) and is fluidically connected to the side-channel (28). Furthermore, the side-channel machine has at least one gas inlet pipe (29a) which connects to the at least one gas inlet opening (34), The side-channel machine further comprises at least one gas outlet opening (33) and at least one gas outlet pipe (31a) which connects to the at least one gas outlet opening (33). Furthermore, the side-channel machine has an impeller that can be made to rotate in the housing (4a), with impeller blades, which bound impeller cells arranged in the side-channel (28), for delivering the gas in the impeller cells from the at least one gas inlet opening (34) to the at least one gas outlet opening (33).Type: ApplicationFiled: December 20, 2022Publication date: June 22, 2023Inventors: Rudi Dittmar, Peter Fischer
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Patent number: 11536281Abstract: The invention relates to a side-channel machine having a housing (4a), located in the housing (4a) a side-channel (28) for guiding a gas, and at least one gas inlet opening (34) which is formed in the housing (4a) and is fluidically connected to the side-channel (28). Furthermore, the side-channel machine has at least one gas inlet pipe (29a) which connects to the at least one gas inlet opening (34), The side-channel machine further comprises at least one gas outlet opening (33) and at least one gas outlet pipe (31a) which connects to the at least one gas outlet opening (33). Furthermore, the side-channel machine has an impeller that can be made to rotate in the housing (4a), with impeller blades, which bound impeller cells arranged in the side-channel (28), for delivering the gas in the impeller cells from the at least one gas inlet opening (34) to the at least one gas outlet opening (33).Type: GrantFiled: February 3, 2022Date of Patent: December 27, 2022Assignee: Gardner Denver Deutschland GMBHInventors: Rudi Dittmar, Peter Fischer
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Publication number: 20220228595Abstract: The invention relates to a side-channel machine having a housing (4a), located in the housing (4a) a side-channel (28) for guiding a gas, and at least one gas inlet opening (34) which is formed in the housing (4a) and is fluidically connected to the side-channel (28). Furthermore, the side-channel machine has at least one gas inlet pipe (29a) which connects to the at least one gas inlet opening (34), The side-channel machine further comprises at least one gas outlet opening (33) and at least one gas outlet pipe (31a) which connects to the at least one gas outlet opening (33). Furthermore, the side-channel machine has an impeller that can be made to rotate in the housing (4a), with impeller blades, which bound impeller cells arranged in the side-channel (28), for delivering the gas in the impeller cells from the at least one gas inlet opening (34) to the at least one gas outlet opening (33).Type: ApplicationFiled: February 3, 2022Publication date: July 21, 2022Inventors: Rudi Dittmar, Peter Fischer
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Patent number: 11248615Abstract: The invention relates to a side-channel machine having a housing (4a), located in the housing (4a) a side-channel (28) for guiding a gas, and at least one gas inlet opening (34) which is formed in the housing (4a) and is fluidically connected to the side-channel (28). Furthermore, the side-channel machine has at least one gas inlet pipe (29a) which connects to the at least one gas inlet opening (34). The side-channel machine further comprises at least one gas outlet opening (33) and at least one gas outlet pipe (31a) which connects to the at least one gas outlet opening (33). Furthermore, the side-channel machine has an impeller that can be made to rotate in the housing (4a), with impeller blades, which bound impeller cells arranged in the side-channel (28), for delivering the gas in the impeller cells from the at least one gas inlet opening (34) to the at least one gas outlet opening (33).Type: GrantFiled: September 3, 2020Date of Patent: February 15, 2022Assignee: GARDNER DENVER DEUTSCHLAND GMBHInventors: Rudi Dittmar, Peter Fischer
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Publication number: 20210095677Abstract: The invention relates to a side-channel machine having a housing (4a), located in the housing (4a) a side-channel (28) for guiding a gas, and at least one gas inlet opening (34) which is formed in the housing (4a) and is fluidically connected to the side-channel (28). Furthermore, the side-channel machine has at least one gas inlet pipe (29a) which connects to the at least one gas inlet opening (34). The side-channel machine further comprises at least one gas outlet opening (33) and at least one gas outlet pipe (31a) which connects to the at least one gas outlet opening (33). Furthermore, the side-channel machine has an impeller that can be made to rotate in the housing (4a), with impeller blades, which bound impeller cells arranged in the side-channel (28), for delivering the gas in the impeller cells from the at least one gas inlet opening (34) to the at least one gas outlet opening (33).Type: ApplicationFiled: September 3, 2020Publication date: April 1, 2021Inventors: Rudi Dittmar, Peter Fischer
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Patent number: 10767654Abstract: The invention relates to a side-channel machine having a housing, located in the housing a side-channel for guiding a gas, and at least one gas inlet opening which is formed in the housing and is fluidically connected to the side-channel. Furthermore, the side-channel machine has at least one gas inlet pipe which connects to the at least one gas inlet opening. The side-channel machine further comprises at least one gas outlet opening and at least one gas outlet pipe which connects to the at least one gas outlet opening. Furthermore, the side-channel machine has an impeller that can be made to rotate in the housing, with impeller blades, which bound impeller cells arranged in the side-channel, for delivering the gas in the impeller cells from the at least one gas inlet opening to the at least one gas outlet opening. The side-channel machine further has at least one interrupter arranged between the at least one gas inlet opening and the at least one gas outlet opening.Type: GrantFiled: July 15, 2016Date of Patent: September 8, 2020Assignee: GARDNER DENVER DEUTSCHLAND GMBHInventors: Rudi Dittmar, Peter Fischer
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Publication number: 20180202447Abstract: The invention relates to a side-channel machine having a housing, located in the housing side-channel for guiding a gas, and at least one gas inlet opening which is formed in the housing and is fluidically connected to the side-channel. Furthermore, the side-channel machine has at least one gas inlet pipe which connects to the at least one gas inlet opening. The side-channel machine further comprises at least one gas outlet opening and at least one gas outlet pipe which connects to the at least one gas outlet opening. Furthermore, the side-channel machine has an impeller that can be made to rotate in the housing, with impeller blades, which bound impeller cells arranged in the side-channel, for delivering the gas in the impeller cells from the at least one gas inlet opening to the at least one gas outlet opening. The side-channel machine further has at least one interrupter arranged between the at least one gas inlet opening and the at least one gas outlet opening.Type: ApplicationFiled: July 15, 2016Publication date: July 19, 2018Inventors: Rudi Dittmar, Peter Fischer
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Patent number: 8662822Abstract: A side channel compressor for compressing a gas comprises a housing (3), a side channel (30), located in the housing (3) and having a cross-sectional area (A), for compressing a gas, a gas inlet opening (31) formed in the housing (3), the gas inlet opening (31) being in flow connection with the side channel (30) for introducing a gas, a gas outlet opening (32) formed in the housing (3) for discharging the gas to be compressed from the side channel (30), wherein the gas outlet opening (32) is in flow connection with the gas inlet opening (31) via the side channel (30), and an impeller (2) which is mounted for rotation in the housing (3) and comprises impeller blades (1) disposed in the side channel (30), wherein the cross-sectional area (A) of the side channel (30) decreases non-monotonically from the gas inlet opening (31) towards the gas outlet opening (32).Type: GrantFiled: October 29, 2008Date of Patent: March 4, 2014Assignee: Gardner Denver Deutschland GmbHInventors: Rudi Dittmar, Mario Kempf, Thomas Grohmann
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Patent number: 8511427Abstract: The invention relates to a blower arrangement for gas. The blower arrangement comprises a blower with a blower housing, at least one gas-inlet opening formed in the blower housing and gas-outlet opening, and at least one rotary-driven blower wheel arranged in the blower housing. Furthermore, the blower arrangement has at least one silencer device with at least one gas guiding element, wherein the gas-guiding element comprises a plurality of silencer openings and is designed as a gas guiding pipe. The gas guiding pipe varies its cross section along its longitudinal extension and has a wall, which is designed to be wave-like along the longitudinal extension of the gas guiding pipe. The silencer device also comprises at least one silencer chamber, which is in flow connection with the silencer openings and is arranged at least in sections laterally behind the gas guiding element.Type: GrantFiled: November 8, 2011Date of Patent: August 20, 2013Assignee: Gardner Denver Deutschland GmbHInventors: Rudi Dittmar, Peter Fischer
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Publication number: 20120132479Abstract: The invention relates to a blower arrangement for gas. The blower arrangement comprises a blower with a blower housing, at least one gas-inlet opening formed in the blower housing and gas-outlet opening, and at least one rotary-driven blower wheel arranged in the blower housing. Furthermore, the blower arrangement has at least one silencer device with at least one gas guiding element, wherein the gas-guiding element comprises a plurality of silencer openings and is designed as a gas guiding pipe. The gas guiding pipe varies its cross section along its longitudinal extension and has a wall, which is designed to be wave-like along the longitudinal extension of the gas guiding pipe. The silencer device also comprises at least one silencer chamber, which is in flow connection with the silencer openings and is arranged at least in sections laterally behind the gas guiding element.Type: ApplicationFiled: November 8, 2011Publication date: May 31, 2012Inventors: Rudi DITTMAR, Peter FISCHER
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Publication number: 20110052378Abstract: A side channel compressor for compressing a gas comprises a housing (3), a side channel (30), located in the housing (3) and having a cross-sectional area (A), for compressing a gas, a gas inlet opening (31) formed in the housing (3), the gas inlet opening (31) being in flow connection with the side channel (30) for introducing a gas, a gas outlet opening (32) formed in the housing (3) for discharging the gas to be compressed from the side channel (30), wherein the gas outlet opening (32) is in flow connection with the gas inlet opening (31) via the side channel (30), and an impeller (2) which is mounted for rotation in the housing (3) and comprises impeller blades (1) disposed in the side channel (30), wherein the cross-sectional area (A) of the side channel (30) decreases non-monotonically from the gas inlet opening (31) towards the gas outlet opening (32).Type: ApplicationFiled: October 29, 2008Publication date: March 3, 2011Inventors: Rudi Dittmar, Thomas Grohmann, Mario Kempf
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Publication number: 20100221097Abstract: The invention concerns a side channel compressor for compressing a gas, the side channel compressor comprising a housing (3), a side channel (30) located in the housing (3) for compressing a gas, a gas inlet opening which is formed in the housing (3) and is in flow connection with the side channel (30) for introducing a gas to be compressed, a gas outlet opening (32) formed in the housing (3) for discharging the gas to be compressed from the side channel (30), the gas outlet opening (32) being in flow connection with the gas inlet opening (31) by way of the side channel (30), and a impeller (2) mounted for rotary drive in the housing (3), the impeller (2) having at least two impeller blades (1) disposed in the side channel, wherein at least one impeller blade (1) has a flow recess in its free edge region (47).Type: ApplicationFiled: October 29, 2008Publication date: September 2, 2010Inventors: Rudi Dittmar, Thomas Grohmann, Mario Kempf
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Publication number: 20080232954Abstract: A pump apparatus for conveying a gas-liquid mixture comprises a first pump (7) for conveying gas with a first pump chamber (28) and a first impeller (33), a second pump (11) for conveying liquid with a second pump chamber (36) and a second impeller (41), and a drive device (2) with a rotary-driveable drive shaft (4) for driving the pumps (7, 1 1), the drive shaft (4) being connected to both impellers (33, 41).Type: ApplicationFiled: May 30, 2007Publication date: September 25, 2008Applicant: GARDNER DENVER DEUTSCHLAND GmbHInventor: Rudi Dittmar
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Patent number: 6287082Abstract: A liquid ring pump including at least one drive unit is described, having a drive shaft, a working space housing with an impeller rotating in it and axially freely movable on the drive shaft, and a disk cam with passages in the region of a front face of the drive shaft for an exchange of operating fluid for venting. The passage for the exchange of operating fluid and the axial free mobility have the effect that the impeller adjusts itself during operation.Type: GrantFiled: December 29, 1999Date of Patent: September 11, 2001Assignee: Siemens AktiengesellschaftInventor: Rudi Dittmar
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Patent number: 6082973Abstract: A rotor for a liquid ring machine having a plurality of vanes connected to the rotor hub and a support disk, with the rotor hub face and the support disk back side having sealing surfaces. Recesses with formed edges, capable of scraping off material deposits, are located on the rotor hub face and the support disk back side.Type: GrantFiled: June 21, 1999Date of Patent: July 4, 2000Assignee: Siemens AktiengesellschaftInventors: Rudi Dittmar, Norbert Schmid
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Patent number: 5672046Abstract: A side-channel compressor is disclosed with at least one side channel configured in the compressor housing and with a baffle, separating the intake and delivery sides. The boundary sides of the baffle extend in the radial direction with respect to the side channel and have a profile deviating from the axial direction of the compressor. Good noise damping without negative effects on the characteristic curve of the compressor can be achieved by the boundary sides of the baffle being equipped over their entire radial height with an at least approximately heart-shaped indentation, with the indentations provided on the intake and delivery sides having tips facing each other.Type: GrantFiled: September 24, 1996Date of Patent: September 30, 1997Assignee: Siemens AktiengesellschaftInventor: Rudi Dittmar