摘要:
The invention relates to a device for supplying a respiratory gas, in particular a CPAP device and also to an air-conduction structure that is provided in said device. The aim of the invention is to provide a device of this type for supplying a respiratory gas, which is characterised by a silent operation and which has advantages in terms of the assembly method and of hygiene over conventional devices of this type. This is achieved by a device for supplying a respiratory gas, comprising a transport unit for transporting said gas at a pressure level that exceeds the ambient pressure, a housing for receiving the transport device and an air-conduction structure for guiding the respiratory gas from the transport device to an outlet region, said air-conduction device being configured by a moulded foam part comprising respiratory-gas channels. This enables the provision of a respiratory-gas supply device, in particular a CPAP device, in which the air-conduction device is formed by a sound absorbing, interchangeable foam element, or a foam element that can be washed separately.
摘要:
The invention concerns an apparatus for supplying a respiratory gas, a humidifying apparatus, a respiratory gas tube and a connecting apparatus therefor. The apparatus of the invention includes a blowing device for delivering the respiratory gas, a housing device which has a bottom region, a top surface region and a side region extending upwardly between the top surface region and the cover region, as well as a connecting device for connecting a humidifying apparatus for humidifying the respiratory gas, wherein the connecting device is arranged in the side region of the apparatus in such a way that the humidifying apparatus can be laterally coupled thereto. The humidifying apparatus according to the invention is distinguished by a partial amount discharge device for passing a partial amount of the liquid pre-stored in a liquid storage space into a humidifying region. The respiration tube according to the invention includes a connecting plug structure which has both a respiratory gas connecting portion and also a pressure measuring tube connecting portion.
摘要:
The invention relates to a microswitch comprising a housing, a switching plunger arranged in displaced relationship with the center of said housing and projecting from said housing, contacts which are arranged on the housing side located opposite the switching plunger, and a contact bridge which is adapted to be transferred from a first to a second switching position through the switching plunger and a bistable spring, said switching plunger being provided with a cantilevered arm which projects on one side and on the projecting end of which a downholder is provided for positive opening of the contact bridge. In order to improve a microswitch of the type mentioned at the beginning in such a way that its overall size can be reduced still further and that a reliable positive opening operation will take place, the present invention is so conceived that, on the switching plunger side located opposite the cantilevered arm, a support projection is arranged, which acts on a resilient part of the spring in spaced relationship with the switching plunger, in such a way that, when the switching plunger is pressed down, a moment (M) will be applied via the support projection to the cantilevered arm of the switching plunger in the opening direction of the contact bridge.
摘要:
The invention proposes a hydraulic support element (1) whose high-pressure chamber (10) is kept substantially free of air bubbles and oil foam. This is realized through a deflecting sleeve (15a) in combination with two vent bores (16) situated diametrically opposite each other on the inner peripheral surface (17) of the pressure piston (5).
摘要:
Press section of a machine for producing a fiber material, web and process for guiding a fiber material web through the press section. The press section includes at least two double-felted presses arranged in series in a travel direction of the fiber material web. An upstream one of the at least two double-felted presses may include a deflection-controlled shoe press roll and a suction roll, and the deflection-controlled shoe press roll and the suction roll may be arranged to form an upstream press nip. The process may include guiding the fiber material web through a press nip of an upstream one of the at least two double-felted presses formed by a deflection-controlled shoe press roll and a suction roll.
摘要:
Process and apparatus for drying a material web. The process includes guiding the material web to at least one heated area, maintaining the material web in uninterrupted contact with the at least one heated area at least until the material web achieves a firmness sufficient for detaching the material web from the heated area. The apparatus includes at least one heated area arranged to receive the material web. The at least one heated area includes a removal zone arranged for the removal of the material web from the at least one heated area. The at least one heated area has a length is sufficient to achieve a sufficient firmness of the material web to be removed in the removal zone.
摘要:
Described is a machine for manufacturing a continuous web, in particular a paper or cardboard web, the machine having a number of rolls that may include press rolls, drying cylinders, suction rolls, or the like. At least one transport belt is guided with the web around the rolls and is characterized by the fact that a metallic screen is guided between the web and the respective roll surface. The metallic screen may be formed of metal, formed as a metallized drying screen, or formed from metal and synthetic threads.
摘要:
The present invention pertains to a valve actuating lever having a non-cut formed oblong base body which is configured essentially symmetrical to a longitudinal symmetry plane extending essentially longitudinally therefrom, a valve contact area arranged on a first end of said base body, two tabs arranged on both sides of said longitudinal symmetry plane in said valve contact area, each respectively having a lateral surface aligned facing said longitudinal symmetry plane, whereby said tabs are formed on said base body and bent over toward said valve contact area. Said tabs are arranged spaced at a clearance distance at an end edge of said oblong base body, said clearance distance being less than the clearance of said lateral surfaces in the valve contact area. At least one of the tabs has a connecting portion extending from said longitudinal symmetry plane in which the clearance between said lateral surfaces enlarges as well as at least one parallel portion in which said lateral surfaces extend essentially parallel to said longitudinal symmetry plane.
摘要:
A cam follower (1) is proposed, which is made from a sheet metal material, and has a profile that is U-shaped in cross-section. In the area of its one end (6), its side walls (2) taper conically. At the same time, straps (7) for guiding a shaft end of a gas exchange valve are provided on an underside (5) of the cam follower (1) as an extension of the side walls (2) and are bent by 180° to fit on the underside (5) in the area of the end (6). A cam follower (1) of this type is made in a simple way, has an excellent guide possibility for the shaft end of the gas exchange valve, and has a smaller mass with a smaller mass moment of inertia than cam followers that have been used until now.
摘要:
An arrangement for transferring a paper web from the last drying cylinder of a first dryer group to the first dryer cylinder of a second dryer group. The last of the first drying cylinders lies outside a first endless loop porous support belt of the first dryer group. The first of the second drying cylinders lies outside a second endless loop porous support belt of the second dryer group. A first guide roll lies inside the loop of the first belt and is spaced from the first cylinder. A second guide roll lies inside the loop of the second belt, and is spaced from the second drying cylinder and along the path of the first belt between the first drying cylinder and the first guide roll. The second belt wraps around the second guide roll and the web on the first belt contacts the second belt on the path of the first belt toward the first guide roll. An air guide box upstream of the first guide roll directs air against the first belt into a wedge-shaped zone upstream in the travel path of the first belt for helping to transfer the web from the first belt to the second belt. The air guide box may have a stripper to strip air off the first belt, a wall that diverges from the first belt in the path toward the first guide roll, and a deflection surface for deflecting air passing along the first belt at the first guide roll.