摘要:
The invention relates to a double-barrelled tube with a respiratory (11) and an inhaling (12) passage for the mechanically controllable respiration of a patient in which the inhaling passage connected to a respiratory gas source is fitted at the distal outlet with a nozzle directed towards the distal outlet aperture of the respiratory passage. The respiratory passage is connected at the proximal outlet with an exhalation valve (60) which can be opened and closed by means of an electrical control device. The electrical control device is connected to an electrocardiograph or a blood pressure measuring instrument so that respiration may be effected synchronously with the pulse rate using the respiratory gas fed to the inhalation passage with a retrograde flow of respiratory gas. Inhalation may take place in either the systole or the diastole.
摘要:
A hand-held electric device has a device housing with a battery pack compartment. A battery pack is disposed in the battery pack compartment. The battery pack compartment has guide elements extending in the insertion direction of the battery pack. The battery pack has a battery pack housing and guide sections provided on the battery pack housing that interact with the guide elements. The battery pack has an electric connector head disposed on the battery pack housing. The battery pack compartment has contact elements. In a predetermined insertion position of the battery pack in the battery pack compartment the contact elements electrically contact the connector head. A contact plate is floatingly supported in the battery pack compartment and the contact elements are disposed on the contact plate.
摘要:
A vacuum arrangement has a vacuum pipe having a vacuum opening facing a ground surface and adapted to pick up from the ground surface a material to be collected. The vacuum pipe conveys the material to be collected into a collecting container connected to the vacuum pipe. The vacuum pipe has a working area located within the area of the vacuum opening. At least one blower nozzle having a blower air exit is arranged such that a blower air flow exiting from the blower air exit is directed onto the ground surface into the working area. The blower air exit and the vacuum opening are positioned at a spacing relative to one another.
摘要:
A device for supplying water to a cutting wheel of a hand-held cut-off machine has a water-conducting line and a valve arrangement arranged in the line. The valve arrangement has a shut-off valve for controlling the water flow flowing through the line. The shut-off valve is actuated as a function of an operating signal of the cut-off machine such that in operation of the cut-off machine the water flow through the line is released by the shut-off valve. The shut-off valve interrupts the water flow through the line when the operating signal is absent.
摘要:
A manually guided apparatus for collecting objects, especially fruits and nuts, including a pick-up drum rotatably mounted in the drum chamber of a housing. The drum is disposed approximately transverse to the direction of operation, and is rotationally driven by a drive unit. The housing has a wall section extending over the width of the drum approximately at the level of the outer diameter thereof. A ground support is disposed in the region of ends of the drum. A collection channel provides communication for picked-up objects between the drum chamber and a collection receptacle for receiving the objects. The wall section of the housing and the drum cooperate with one another such that objects are accelerated along the wall section toward the collection channel and are ejected out of the drum chamber along a trajectory into the collection receptacle. A handle is operatively connected to the housing for moving the housing in the direction of operation.
摘要:
A vacuum arrangement has a vacuum pipe having a vacuum opening facing a ground surface and adapted to pick up from the ground surface a material to be collected. The vacuum pipe conveys the material to be collected into a collecting container connected to the vacuum pipe. The vacuum pipe has a working area located within the area of the vacuum opening. At least one blower nozzle having a blower air exit is arranged such that a blower air flow exiting from the blower air exit is directed onto the ground surface into the working area. The blower air exit and the vacuum opening are positioned at a spacing relative to one another.
摘要:
A hand-held electric device has a device housing with a battery pack compartment. A battery pack is disposed in the battery pack compartment. The battery pack compartment has guide elements extending in the insertion direction of the battery pack. The battery pack has a battery pack housing and guide sections provided on the battery pack housing that interact with the guide elements. The battery pack has an electric connector head disposed on the battery pack housing. The battery pack compartment has contact elements. In a predetermined insertion position of the battery pack in the battery pack compartment the contact elements electrically contact the connector head. A contact plate is floatingly supported in the battery pack compartment and the contact elements are disposed on the contact plate.
摘要:
A guide bar (1) is provided for a portable handheld work apparatus, such as a motor-driven chain saw or overhead branch cutter, and includes an elongated, flat base body (4) having a peripherally extending guide groove for guiding a saw chain (6). In the region of the direction-changing section (14) at the free tip (13) of the guide bar (1), the saw chain (6) is laterally partially covered by guide discs (17, 18) which rotate with the idler sprocket (19). The guide discs (17, 18) include radially projecting sections (20, 20′). Corresponding radially projecting sections (20) of one guide disc (17) are arranged offset relative to the radially projecting sections (20′) of the other guide disc (18). With this constructive measure, the manipulation of the portable handheld work apparatus is improved.
摘要:
An exchangeable battery pack for an electric device has a housing with a first end face and a second end face opposite the first end face, wherein the first end is open. A housing cover closes off the first end face. Battery cells are disposed in the housing. Cell connectors electrically connect the cells with one another. An external electrical connector is disposed on the second end face. All of the battery cells are connected to the external electrical connector. The battery cells are charged and discharged through the external electrical connector. A cell holder secures several of the battery cells. An inner positional securing element is provided on an inner side of a sidewall of the housing and the cell holder interacts with the positional securing element.
摘要:
An electric power tool has a device housing with a rear grip extending in the longitudinal direction of the device housing. The device housing has first opposed housing sides and second opposed housing sides. An electric drive motor and its electronic control are arranged in the device housing. A battery pack compartment arranged in the device housing receives a battery pack that has a parallelepipedal shape and extends in a direction of a height axis, width axis and depth axis. The battery pack is arranged such that the width axis and the height axis extend transversely to the longitudinal axis of the device housing. The battery pack has narrow sides extending approximately parallel and at a minimal spacing relative to the first opposed housing sides, respectively. The battery pack has opposed end faces neighboring the second housing sides, respectively.