Abstract: A monopolar electrosurgical instrument and electrosurgical system for treating biological tissue by a plasma. The instrument includes a tubular line for conducting a gas to the treatment location, wherein the line consists of electrically insulating material and has a distal opening for the exit of the gas in the direction of the tissue to be treated, and an electrode arranged in the region of the distal opening in the line, wherein the electrode is connectable to an electrosurgical generator to ignite a plasma discharge in the gas. Improving the ignition behavior, the inner surface of the line has an enhanced electrical conductivity in the distal opening. Furthermore, a method for producing an electrosurgical instrument for providing a line made of nonconductive material, an electrode, and enhancing the conductivity of an inner surface of the line in the region of the opening, for enhancing the conductivity in the line.

Abstract: Disclosed herein is a spindle drive for an adjustable element of a motor vehicle, wherein a drive unit and a spindle/spindle nut mechanism arranged downstream of the drive unit in the drivetrain, for generating linear drive movements are provided, wherein the spindle/spindle nut mechanism has a spindle and a spindle nut meshing with the spindle, wherein the spindle drive has two drive portions which run telescopically inside one another during a motorized adjustment, wherein the spindle is assigned to one drive portion and the spindle nut is assigned to the other drive portion wherein the two drive portions are coupled in a torque-transmitting manner to provide an antitwist safeguard.

Abstract: The invention relates to a spindle drive for an adjusting element of a vehicle comprising a drive motor with a spindle-spindle nut gear arranged downstream for producing a drive force along a geometric spindle axis, wherein two connectors for transferring the drive force are provided, wherein an internal housing connected to the one connector and an external housing connected to the other connector are provided, and wherein during the motorized adjustment, the internal housing runs in a telescopic manner. It is proposed that at least one of the two housings, is designed to be at least in two parts and is provided via a first axial housing portion of a first housing part made of a first material and via a second axial housing portion of a second housing part made of a second material.

Abstract: Electric shaver provided with a handle and a shaver head including at least one drivable cutter element, wherein said shaver head is connected to said handle by means of a support structure providing for a swivel and/or tilting axis about which said shaver head may swivel or tilt relative to said handle, wherein said support structure includes a pair of link arms forming a four-joint linkage with each link arm having a head joint connected to a shaver head part and a handle joint connected to the handle or a base part connected thereto.

Abstract: An electric shaver with a drive shaft having a first rotary axis and a drive pin connected to the drive shaft eccentrically with respect to the rotary axis, and a driven shaft having a second rotary axis. The driven shaft is indirectly coupled to the drive shaft by a gear mechanism capable of converting a rotary motion of the drive shaft into a reciprocating motion of the driven shaft.

Abstract: Electric shaver provided with a handle and a shaver head including at least one drivable cutter element, wherein said shaver head is connected to said handle by means of a support structure providing for a swivel and/or tilting axis about which said shaver head may swivel or tilt relative to said handle, wherein said support structure includes a pair of link arms forming a four-joint linkage with each link arm having a head joint connected to a shaver head part and a handle joint connected to the handle or a base part connected thereto.

Abstract: An electrically driven device provided with a housing, an electric motor with a drive shaft having a first rotary axis and a drive pin connected to the drive shaft eccentrically with respect to the rotary axis, and a driven shaft mounted in the housing for performing a pivoting is disclosed. The driven shaft is indirectly coupled to the drive shaft by means of a gear mechanism converting a rotary motion of the drive shaft into a reciprocating pivoting motion of the driven shaft. The gear mechanism comprises one intermediate shaft having a second rotary axis extending in the longitudinal direction of the intermediate shaft and at least one crank arm coupled to the drive pin. The crank arm is pivotably mounted in the housing and is coupled to the intermediate shaft thereby converting a rotary motion of the drive shaft into a reciprocating pivoting of the intermediate shaft about the second rotary axis.

Abstract: An electric shaver having a cutter head with a plurality of cutting rotors driven by a drive train connectable to a motor. The number of tooling rotors is significantly increased while at the same time the size of the tooling rotors is significantly reduced, thus being able to define an approximately smooth surface by the front faces of the tooling rotors.

Abstract: A spindle drive for an adjustment element of a motor vehicle is provided. The spindle drive has a drive unit and a spindle-spindle nut transmission arranged downstream of the drive unit in terms of drive for generating linear drive movements. The drive unit has a tubular drive unit housing and therein a drive motor. In some cases an intermediate transmission is arranged downstream of the drive motor in terms of drive. The drive unit and the spindle-spindle nut transmission are arranged one behind the other on the geometrical spindle axis, and a spindle drive housing is provided with a tubular inner housing and a tubular outer housing. The inner housing runs in a telescope-like manner in the outer housing. In some cases the outer housing of the spindle drive housing accommodates the drive unit with the drive unit housing and is connected to the drive unit.

Abstract: A method for producing a spindle drive for an adjustable element of a vehicle, wherein the spindle drive has a substantially tubular spindle drive housing and two connections for diverting driving movements, wherein at least one connection of the spindle drive has a connection head which is connected to the spindle drive via a connection neck which is thinner than the connection head. A sealing cap for the spindle drive housing is provided with a sealing opening, in order to install the sealing cap, the sealing cap is pulled with the sealing opening thereof over the connection head of a connection of the spindle drive, and the peripheral region of the sealing opening is elastically deformed by the engagement with the connection head and is therefore widened, and that the peripheral region of the sealing opening is subsequently deformed back elastically in frictionally sealing engagement with the connection neck.

Abstract: An exhaust manifold for an exhaust system of an internal combustion engine is disclosed having a housing, an inlet flange which can be fixed to the cylinder head of the internal combustion engine and has a plurality of inlet openings, and an exhaust outlet. The housing comprises an inner shell and an outer shell, an insulating material being incorporated between the outer shell and the inner shell. A guide plate is provided on the inlet flange side of the inner shell and the outer shell. The guide plate has inflow openings which correspond with the inlet openings of the inlet flange and is joined to the inlet flange. The outer shell engages with its inlet flange-side edge around the guide plate and is joined to the inlet flange and the guide plate.

Abstract: A spindle drive for an adjustment element of a motor vehicle is provided. The spindle drive has a drive unit and a spindle-spindle nut transmission arranged downstream of the drive unit in terms of drive for generating linear drive movements. The drive unit has a tubular drive unit housing and therein a drive motor. In some cases an intermediate transmission is arranged downstream of the drive motor in terms of drive. The drive unit and the spindle-spindle nut transmission are arranged one behind the other on the geometrical spindle axis, and a spindle drive housing is provided with a tubular inner housing and a tubular outer housing. The inner housing runs in a telescope-like manner in the outer housing. In some cases the outer housing of the spindle drive housing accommodates the drive unit with the drive unit housing and is connected to the drive unit.

Abstract: An exhaust manifold for an exhaust system of a combustion engine includes an outer shell, an inner shell arranged in the outlet shell, and an inlet flange which is configured for attachment to a cylinder head of the combustion engine and has a receptacle. The inner shell is floatingly supported in the outer shell and has an inlet-flange-side edge which is formed with an outwardly bent flange positioned in the receptacle of the inlet flange. The outer shell has an inlet-flange-side edge which has at least one area which rests in the receptacle upon the outwardly bent flange and is joined with the receptacle.

Abstract: A high-frequency surgical appliance has a peak value detection and control unit, having a current or voltage sensor designed to detect the current strength or the voltage of a high-frequency alternating current output to the load. The control unit has a root-mean-square value former or is connected thereto, connected to the sensor and forms a root-mean-square value of a high-frequency alternating current detected by the sensor. The control unit deactivates the high-frequency generator when, in the steady state of the HF high-voltage circuit, a quantity of an instantaneous peak value of a signal representing an instantaneous value of the high-frequency alternating current detected during operation by the sensor exceeds a quantity of a value derived from the root-mean-square value of the high-frequency alternating current detected during operation by the sensor. The sensor continuously detects the instantaneous value of the current or voltage flowing during operation into the HF high-voltage circuit.

Abstract: An exhaust manifold for an exhaust system of a combustion engine includes an internal pipe system having a plurality of pipe sections and an outer shell which is disposed in spaced-apart surrounding relationship to the internal pipe system and joined to an outlet flange. The outlet flange includes a neck portion, an outer flange portion adjacent to the neck portion, and an inwardly directed shoulder portion which extends from the neck portion outwards, with the outer shell being joined at the shoulder portion to the outlet flange.

Abstract: An exhaust manifold for installation onto a cylinder head of an internal combustion engine includes a housing having plural inlet openings and an outlet opening. The housing includes an inner shell and an outer shell in surrounding relationship to the inner shell to define a gap there between. The inner shell is floatingly arranged in the outer shell and rests at a side of the cylinder head upon a guide plate which is formed with the plural inlet openings and includes guide members respectively arranged about a circumference of the inlet openings. The outer shell has a cylinder-head-proximal marginal region formed with an outwardly bent flange that rests upon the guide plate and is joined in gastight manner to the guide plate by a material joint. The flange has an outer side in opposition to the guide plate, with a collar being arranged on the outer side of the flange.

Abstract: A high frequency surgical device for generating a high frequency voltage for cutting and/or vaporizing biological tissue within a flushing liquid, in particular a conductive flushing liquid, including two output contacts at which an electrosurgical instrument is connectable and between which the HF voltage is provided during operations; a parallel resonant circuit which is electrically connected with the output contacts and in which the HF voltage is generated during operations, and wherein the HF voltage is configured for igniting an electric arc within the flushing liquid at the electrosurgical instrument. In order to provide an electrosurgical device for applications under a flushing liquid, wherein the flushing liquid is heated less and wherein the electrosurgical device provides better initial cutting properties, it is provided according to the invention that a voltage limiter is arranged between the parallel resonant circuit and the output contacts.

Abstract: Disclosed herein is a spindle drive for an adjustable element of a motor vehicle, wherein a drive unit and a spindle/spindle nut mechanism arranged downstream of the drive unit in the drivetrain, for generating linear drive movements are provided, wherein the spindle/spindle nut mechanism has a spindle and a spindle nut meshing with the spindle, wherein the spindle drive has two drive portions which run telescopically inside one another during a motorized adjustment, wherein the spindle is assigned to one drive portion and the spindle nut is assigned to the other drive portion wherein the two drive portions are coupled in a torque-transmitting manner to provide an antitwist safeguard.

Abstract: An exhaust manifold for an exhaust system of an internal combustion engine is disclosed having a housing, an inlet flange which can be fixed to the cylinder head of the internal combustion engine and has a plurality of inlet openings, and an exhaust outlet. The housing comprises an inner shell and an outer shell, an insulating material being incorporated between the outer shell and the inner shell. A guide plate is provided on the inlet flange side of the inner shell and the outer shell. The guide plate has inflow openings which correspond with the inlet openings of the inlet flange and is joined to the inlet flange. The outer shell engages with its inlet flange-side edge around the guide plate and is joined to the inlet flange and the guide plate.

Abstract: The invention concerns a high frequency surgery apparatus for cutting and/or coagulating biological tissue and methods of operating same. The high frequency surgery apparatus includes at least one high frequency generator which in operation forms a high frequency circuit with the tissue to be treated, with the production of an arc, and at least one measuring and calculating device which is connected for signal transmission to the high frequency circuit and which is adapted in operation to ascertain both a DC voltage in the high frequency circuit and also the amplitudes of at least one even and at least one odd harmonic of a fundamental frequency of the high frequency generator and to form a first tissue parameter representative of the kind of tissue to be treated from the relationship of the sum of the amplitudes of the even and the odd harmonics to the DC voltage and to output a tissue signal dependent on the first tissue parameter for subsequent processing.