Patents by Inventor Berthold Wolfram
Berthold Wolfram 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: 10076604Abstract: A medical fluid pump, comprising a first, inner fluid system including a motor-driven suction/pressure unit and a first fluid pressure chamber which can be filled with fluid and emptied by the suction/pressure unit, and a second, outer fluid system including a second fluid pressure chamber which is coupled to the first pressure chamber in a pressure- and/or volume-dynamic manner via a movable separating wall and which is alternately coupled—via a valve means of the second fluid system—to a suction line and pressure line depending on the current working phase of the suction/pressure unit of the first fluid system is disclosed.Type: GrantFiled: December 23, 2013Date of Patent: September 18, 2018Assignee: B. BRAUN MELSUNGEN AGInventors: Rolf Heitmeier, Dominik Niedenzu, Berthold Wolfram, Matthias Schwalm, Heiko Rosenkranz, Juergen Steger
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Publication number: 20150328399Abstract: A medical fluid pump, comprising a first, inner fluid system including a motor-driven suction/pressure unit and a first fluid pressure chamber which can be filled with fluid and emptied by the suction/pressure unit, and a second, outer fluid system including a second fluid pressure chamber which is coupled to the first pressure chamber in a pressure- and/or volume-dynamic manner via a movable separating wall and which is alternately coupled—via a valve means of the second fluid system—to a suction line and pressure line depending on the current working phase of the suction/pressure unit of the first fluid system is disclosed.Type: ApplicationFiled: December 23, 2013Publication date: November 19, 2015Inventors: ROLF HEITMEIER, DOMINIK NIEDENZU, BERTHOLD WOLFRAM, MATTHIAS SCHWALM, HEIKO ROSENKRANZ, JUERGEN STEGER
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Patent number: 7823287Abstract: The syringe pump comprises a receiving position for a syringe. The piston plate of the syringe is moved by a drive head which is fastened to a drive rod. For locking the piston rod prior to fixing the piston plate in the drive head, a braking element is provided on a syringe holding head. The syringe holding head further serves for determining the respective syringe size. After placing the syringe holding head against a syringe cylinder, the brake element is actuated to temporarily engage the piston rod and fix it relatively to the syringe cylinder.Type: GrantFiled: September 5, 2008Date of Patent: November 2, 2010Assignee: B. Braun Melsungen AGInventors: Hans-Josef Gerlach, Rene Wildner, Berthold Wolfram
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Publication number: 20090005730Abstract: The syringe pump comprises a receiving position for a syringe. The piston plate of the syringe is moved by a drive head which is fastened to a drive rod. For locking the piston rod prior to fixing the piston plate in the drive head, a braking element is provided on a syringe holding head. The syringe holding head further serves for determining the respective syringe size. After placing the syringe holding head against a syringe cylinder, the brake element is actuated to temporarily engage the piston rod and fix it relatively to the syringe cylinder.Type: ApplicationFiled: September 5, 2008Publication date: January 1, 2009Inventors: Hans-Josef Gerlach, Rene Wildner, Berthold Wolfram
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Patent number: 7422570Abstract: The syringe pump comprises a receiving position for a syringe. The piston plate of the syringe is moved by a drive head which is fastened to a drive rod. For locking the piston rod prior to fixing the piston plate in the drive head, a braking element is provided on a syringe holding head. The syringe holding head further serves for determining the respective syringe size. After placing the syringe holding head against a syringe cylinder, the brake element is actuated to temporarily engage the piston rod and fix it relatively to the syringe cylinder.Type: GrantFiled: January 17, 2003Date of Patent: September 9, 2008Assignee: B. Braun Melsungen AGInventors: Hans-Josef Gerlach, Rene Wildner, Berthold Wolfram
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Patent number: 7032557Abstract: An internal combustion engine has an intake device (1), the intake pipes (5 to 8) for the intakes of cylinders of the internal combustion engine and actuators for adjusting the effective pipe lengths of the intake pipes (5 to 8) by closing or opening at least one opening of the intake pipes (5 to 8) up to a hollow body and at least one actuator for controlling the actuators. Within a first speed range whose upper limit is a first threshold value (N1), the actuators are moved into a closed position. For a speed (N), exceeding a first threshold value (N1) and being less than a second threshold value (N2), the actuators are moved into a leakage position. For a speed exceeding the second threshold value (N2), the actuators are moved into an open position.Type: GrantFiled: January 16, 2004Date of Patent: April 25, 2006Assignee: Siemens AktiengesellschaftInventors: Hubert Limbrunner, Frank Tettenborn, Berthold Wolfram
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Publication number: 20040194751Abstract: In a intake system of a combustion engine, surface irregularities in the form of raised parts (8) or depressions (7) are created, at predetermined points, in the wall surfaces of a suction pipe or the surfaces of a flap arranged in such a suction pipe, in order to avoid burbling and eddying in these areas.Type: ApplicationFiled: January 14, 2004Publication date: October 7, 2004Inventors: Hubert Limbrunner, Wemer Schnabel, Berthold Wolfram
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Publication number: 20040168667Abstract: An internal combustion engine has an intake device (1), the intake pipes (5 to 8) for the intakes of cylinders of the internal combustion engine and actuators for adjusting the effective pipe lengths of the intake pipes (5 to 8) by closing or opening at least one opening of the intake pipes (5 to 8) up to a hollow body and at least one actuator for controlling the actuators. Within a first speed range whose upper limit is a first threshold value (N1), the actuators are moved into a closed position. For a speed (N), exceeding a first threshold value (N1) and being less than a second threshold value (N2), the actuators are moved into a leakage position. For a speed exceeding the second threshold value (N2), the actuators are moved into an open position.Type: ApplicationFiled: January 16, 2004Publication date: September 2, 2004Inventors: Hubert Limbrunner, Frank Tettenborn, Berthold Wolfram
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Publication number: 20030149402Abstract: The syringe pump comprises a receiving position for a syringe. The piston plate of the syringe is moved by a drive head which is fastened to a drive rod. For locking the piston rod prior to fixing the piston plate in the drive head, a braking element is provided on a syringe holding head. The syringe holding head further serves for determining the respective syringe size. After placing the syringe holding head against a syringe cylinder, the brake element is actuated to temporarily engage the piston rod and fix it relatively to the syringe cylinder.Type: ApplicationFiled: January 17, 2003Publication date: August 7, 2003Inventors: Hans-Josef Gerlach, Rene Wildner, Berthold Wolfram
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Patent number: 5508692Abstract: The invention relates to a central locking installation for a motor vehicle, having a transmitter (2), operating as a key, and a receiver (4), operating as a lock. When the transmitter (2) is actuated for the purpose of closing or opening the door locks, a signal (3) is transmitted to the receiver (4) and produces a control pulse (20) there. Each transmitter (2) has its own transmitter recognition signal and a stock of code words, from which the code words are taken in sequence and are transmitted. The receiver (4) carries out a transmitter allocation using the transmitter recognition signal. The invention is based on the object of the transmitter (2) seeking its transmitter recognition signal itself. This is achieved in that a transmitter recognition signal, which is stored in a transmitter store (12) and is transmitted together with a code word, is generated randomly in the transmitter (2).Type: GrantFiled: July 29, 1994Date of Patent: April 16, 1996Assignee: Siemens AktiengesellschaftInventor: Berthold Wolfram
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Patent number: 5479154Abstract: A process for operating a remote-controllable central locking installation of a vehicle by means of a transmitter, which can transmit coded signals--for example acoustically by means of ultrasound, optically by means of IR and/or by means of USW high-frequency waves--to a receiver fitted in or on the vehicle. An initialization is typically carried out before the actuation for the first time of the central locking installation, or a reinitialization is carried out before the next actuation of the same, to cancel the previous code, that is the code which can be used in future, or in the case of a changing code the relevant code set which can be used in future, being fixed for the first time or once again by the receiver being driven, for example by means of a special control code, into a state in which it can be (re)initialized. The receiver indicates that the receiver is ready for (re)initialization and/or after successful (re)initialization by means of an activation of the door locks.Type: GrantFiled: October 6, 1992Date of Patent: December 26, 1995Assignee: Siemens AktiengesellschaftInventor: Berthold Wolfram
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Patent number: 5424711Abstract: An ultrasonic monitoring system for the interior of a motor vehicle having two mutually spatially separately secured emission elements (S1, S2), the main lobes of the directional characteristics of which are oriented in different directions, and having at least one reception element (E1, E2), but at as a rule having at least two mutually physically separate reception elements (E1, E2). The reception elements (E1, E2) are not formed by the emission elements (S1, S2), but are physically separate from all emission elements (S1, S2). The two emission elements (S1, S2) are operated alternately with pauses in such a manner that in each instance firstly only one of the emission elements (e.g. S1) emits an ultrasonic pulse, which is thereafter received by the reception element (E1 ) associated with this emission element (S1), and only after such reception does the other emission element (S2) emit ultrasound, which is thereafter received by the reception element (E2) associated with this emission element (S2 ).Type: GrantFiled: September 21, 1992Date of Patent: June 13, 1995Assignee: Siemens AktiengesellschaftInventors: Norbert Muller, Berthold Wolfram