초록 ▼

Embodiments of the present invention described and shown in the specification and drawings include a respiratory system for automatically and variably controlling the supply of a pressurized breathing gas to a patient via a breathing circuit that is in fluid communication with the lungs of the patie

Embodiments of the present invention described and shown in the specification and drawings include a respiratory system for automatically and variably controlling the supply of a pressurized breathing gas to a patient via a breathing circuit that is in fluid communication with the lungs of the patient. The respiratory system has a demand valve in fluid communication with a source of pressurized gas. The demand valve is switchable between a open position, in which an inhalation conduit of the breathing circuit is in fluid communication with the source of pressurized gas, and a closed position, in which the inhalation conduit is not in fluid communication with the source of pressurized gas. The demand valve is proportionally moveable between the open and closed positions in response to a pressure within a reference chamber which is in fluid communication with the trachea of the patient. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that is will not be used to interpret or limit the scope or meaning of the claims. 37 C.F.R. § 1.72(b).

대표청구항 ▼

Embodiments of the present invention described and shown in the specification and drawings include a respiratory system for automatically and variably controlling the supply of a pressurized breathing gas to a patient via a breathing circuit that is in fluid communication with the lungs of the patie

Embodiments of the present invention described and shown in the specification and drawings include a respiratory system for automatically and variably controlling the supply of a pressurized breathing gas to a patient via a breathing circuit that is in fluid communication with the lungs of the patient. The respiratory system has a demand valve in fluid communication with a source of pressurized gas. The demand valve is switchable between a open position, in which an inhalation conduit of the breathing circuit is in fluid communication with the source of pressurized gas, and a closed position, in which the inhalation conduit is not in fluid communication with the source of pressurized gas. The demand valve is proportionally moveable between the open and closed positions in response to a pressure within a reference chamber which is in fluid communication with the trachea of the patient. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that is will not be used to interpret or limit the scope or meaning of the claims. 37 C.F.R. § 1.72(b). achine milking comprising: a measurement apparatus for obtaining sensory characteristics in the milk stream, a distributing valve mechanism with a milk inlet and several milk outlets as well as a seal mechanism for optionally closing the milk outlets and for optionally guiding the milk stream into one of several branch lines, a driving element for actuating the distributing valve mechanism for the selecting out of milk, and a detection means in order to automatically detect particles in the milk stream during the machine milking, whereby the detection means is adapted to detect a feature characteristic of a type of particle, the detection means including a flat filter element with at least one filter area for the filtering out of particles from the milk stream, the filter element including electrically conductive elements that are arranged at a distance and isolated from one another. 2. Apparatus in accordance with claim 1, wherein the detection means comprises an electronic analysis circuit. 3. Apparatus in accordance with claim 1, wherein the detection means comprises a signal transmitter for the transmitting of signals and a signal receiver for the receiving of signals that are transmitted from the signal transmitter. 4. Apparatus according to claim 3, wherein the signal transmitter is an ultrasound transmitter. 5. Apparatus in accordance with claim 1, wherein the detection means comprises an element for clearing the filter element. 6. Apparatus according to claim 1, wherein the filter element is rotatable around an axis. 7. Apparatus according to claim 6, wherein the detection means has a driving element for rotating the filter element. 8. Apparatus according to claim 1, wherein the electrical conductive elements are realized as resistance wires. 9. Apparatus according to claim 1, wherein the filter element comprises a first filter area in which the electrical conductive elements have a first distance from one another and a second filter area in which the electrical conductive elements have a second distance from one another. 10. Apparatus in accordance with claim 1, wherein the detection means comprises a radiation source and a radiation sensitive sensor element. 11. Apparatus according to claim 10, wherein the radiation source and the radiation sensitive sensor element are so arranged that the radiation sensitive sensor element receives the radiation after an interaction with the surface of the filter element has occurred. 12. Apparatus according to claim 10, wherein the radiation source is adapted to emit substantially monochromatic radiation. 13. Apparatus according to claim 10, wherein the radiation source is adapted to transmit radiation substantially parallel to the filter surface during a measurement phase. 14. Apparatus according to claim 1, wherein at least one of the filter areas has a reflective area. 15. An apparatus for the automatic selecting out of milk during machine milking comprising: a measurement apparatus for obtaining sensory characteristics in the milk stream, a distributing valve mechanism with a milk inlet and several milk outlets as well as a seal mechanism for optionally closing the milk outlets and for optionally guiding the milk stream into one of several branch lines, a driving element for actuating the distributing valve mechanism for the selecting out.of milk, and a detection means in order to automatically detect particles in the milk stream during the machine milking, whereby the detection means is adapted to detect a feature characteristic of a type of particle, the detection means including an ultrasound signal transmitter for the transmitting of signals and a signal receiver for the receiving of signals that are transmitted from the ultrasound signal transmitter, and wherein the ultrasound transmitter and the signal receiver are spatially arranged to be in contact with the milk during the measuring. 16. An apparatus for the automatic selecting out of milk during machine milking comprising: a measurement apparatus for obtaining sensory characteristics in the milk stream, a distributing valve mechanism with a milk inlet and several milk outlets as well as a seal mechanism for optionally closing the milk outlets and for optionally guiding the milk stream into one of several branch lines, a driving element for actuating the distributing valve mechanism for the selecting out of milk, and a detection means in order to automatically detect particles in the milk stream during the machine milking, whereby the detection means is adapted to detect a feature characteristic of a type of particle, the detection means including a filter element and a microbalance. 17. Apparatus according to claim 16, wherein the microbalance comprises a piezo element and an oscillatory circuit. 18. Apparatus for the automatic selecting out of milk during.machine milking comprising: a measurement chamber for monitoring sensory features in the milk stream, a distributing valve mechanism having a milk inlet and several milk outlets as well as a seal mechanism for optionally closing the milk inlets and for optionally guiding the milk stream into one of several branch lines, a driving element for driving the distributing valve mechanism to select out milk, and a particle detection means with a filter element that is washed by the milk stream, the filter element including electrical conductive elements arranged at a distance and isolated from one another. 19. Apparatus in accordance with claim 18, wherein the detection means comprises an electronic monitoring circuit. 20. Apparatus in accordance with claim 18, wherein the detection means comprises a signal transmitter for transmitting signals and a signal receiver for receiving signals that are sent by the signal transmitter. 21. Apparatus in accordance to claim 20, wherein the signal transmitter is an ultrasound transmitter. 22. Apparatus in accordance with claim 21, wherein the ultrasound transmitter and the signal receiver are spatially arranged to be in contact with the milk during measurement. 23. Apparatus according to claim 18, wherein the filter element is rotatable around an axis. 24. Apparatus according to claim 23, wherein the detection means comprises a driving element for rotating the filter element. 25. Apparatus according to claim 20, wherein the electrical conductive elements provided as resistant wires. 26. Apparatus according to claim 18, wherein the filter element comprises a first filter area in which the conductive elements have a first distance from one another and a second filter area in which the conductive elements have a second distance from one another. 27. Apparatus according to claim 26, wherein at least one of the filter areas has a reflective area. 28. Apparatus according to claim 18, wherein the detection means comprises a radiation source and a radiation sensitive sensor element. 29. Apparatus according to claim 28, wherein the radiation source and the radiation sensitive sensor element are so arranged that the radiation sensitive sensor element receives the radiation after an interaction with a surface of the filter element has occurred. 30. Apparatus according to claim 28, wherein the radiation source is adapted to emit substantially monochromatic radiation. 31. Apparatus according to claim 28, wherein the radiation source is arranged to transmit radiation substantially parallel to the filter surface during a measurement phase. 32. Apparatus for the automatic selecting out of milk during machine milking comprising: a measurement chamber for monitoring sensory features in the milk stream, a distributing valve mechanism having a milk inlet and several milk outlets as well as a seal mechanism for optionally closing the milk inlets and for optionally guiding the milk stream into one of several branch lines, a driving element for driving the distributing valve mechanism to select out milk, and a particle detection means with a filter element that is washed by the milk stream, the detection means including a filter element and a microbalance. 33. Apparatus according to claim 32, wherein the microbalance comprises a piezo element and an oscillating circuit. mode selecting means is positioned on an operation panel. 6. A device as claimed in claim 1, wherein when the perforated stencil is wrapped around the print drum, an excitation ON/OFF timing of said pulse-driven motor is variable. 7. A device as claimed in claim 1, wherein said pulse-driven motor comprises a stepping motor. 8. A master making and feeding device for a printer, comprising: a first conveying section including a rotatable platen roller for pressing a stencil between a master making device and said platen roller to thereby thermally perforate said stencil, and conveying said perforated stencil to a downstream side in a direction of stencil conveyance; a second conveying section arranged between said first conveying section and a print drum, around which the perforated stencil is to be wrapped around, for conveying said perforated stencil conveyed by said first conveying section toward said print drum; and a conveyance drive section for driving, at a preselected timing during or after perforation of the stencil effected by said first conveying section, said second conveying section to thereby feed a leading edge of the perforated stencil to the print drum, and driving said second conveying section such that said second conveying section conveys said perforated stencil at a higher speed than said first conveying section, wherein said first conveying section comprises a first drive source while said second conveying section comprises a second drive source implemented by a pulse-drive motor, and wherein a stencil conveying speed of said first conveying section and a stencil conveying speed of said second conveying section both are variable, and wherein said master making device is movable into and out of contact with said platen roller, wherein said first conveying section further comprises a moving device for moving said master making device into and out of contact with said platen roller, and wherein said second conveying section is driven for the preselected period of time during or after contact of said master making device with said platen roller, but just before perforation of the stencil. 9. A device as claimed in claim 8, wherein after said second conveying section has been driven for the preselected period of time, said pulse-driven motor is excited up to a next drive of said second conveying section. 10. A device as claimed in claim 9, wherein in a stand-by state before perforation, in which said master making device is released from said platen roller by said moving device, an excitation of said pulse-driven motor is interrupted or a current to be fed to said pulse-driven motor is reduced up to the next drive of said second conveying section. 11. A device as claimed in claim 10, further comprising a mode selecting device for allowing an operator to determine whether or not to select an operation for interrupting the excitation or reducing the current. 12. A device as claimed in claim 11, wherein said mode selecting device is positioned on an operation panel. 13. A device as claimed in claim 8, wherein when the perforated stencil is wrapped around the print drum, an excitation ON/OFF timing of said pulse-driven motor is variable. 14. A device as claimed in claim 8, wherein said pulse-driven motor comprises a stepping motor. 15. A master making and feeding device for a printer, comprising: first conveying means including a rotatable platen roller for pressing a stencil between master making means and said platen roller to thereby thermally perforate said stencil, and conveying said perforated stencil to a downstream side in a direction of stencil conveyance; second conveying means arranged between said first conveying means and a print drum, around which the perforated stencil is to be wrapped around, for conveying said perforated stencil conveyed by said first conveying means toward said print drum; and conveyance drive means for driving, at a preselected timing during or after a perforation of the stencil effected by said first conveying means, said second conveying means to thereby feed a leading edge of the perforated stencil to the print drum, and driving second conveying means such that said second conveying means conveys said perforated stencil at a higher speed than said first conveying means, wherein said master making means is movable into and out of contact with said platen roller, wherein said first conveying means further comprises moving means for moving said master making means into and out of contact with said platen roller, and wherein said second conveying means is driven for the preselected period of time during or after a contact of said master making means with said platen roller, but just before a perforation of the stencil. 16. A master making and feeding device for a printer, comprising: a first conveying section including a rotatable platen roller for pressing a stencil between a master making device and said platen roller to thereby thermally perforate said stencil, and conveying said perforated stencil to a downstream side in a direction of stencil conveyance; a second conveying section arranged between said first conveying section and a print drum, around which the perforated stencil is to be wrapped around, for conveying said perforated stencil conveyed by said first conveying section toward said print drum; and a conveyance drive section for driving, at a preselected timing during or after perforation of the stencil effected by said first conveying section, said second conveying section to thereby feed a leading edge of the perforated stencil to the print drum, and driving said second conveying section such that said second conveying section conveys said perforated stencil at a higher speed than said first conveying section, wherein said master making device is movable into and out of contact with said platen roller, wherein said first conveying section further comprises a moving device for moving said master making device into and out of contact with said platen roller, and wherein said second conveying section is driven for a preselected period of time during or after contact of said master making device with said platen roller, but just before perforation of the stencil. stantially enclosed by said recesses. 6. The ink-supply holding device according to claim 1, wherein said contact lines on said resilient sealing element define a concave curvature. 7. The ink-supply holding device according to claim 1, wherein said setting elements for producing said setting force are accommodated in said side parts. 8. The ink-supply holding device according to claim 1, wherein said setting elements for producing said setting force are supported on stops provided on a component of said ink-feeding device. 9. The ink-supply holding device according to claim 1, wherein said side part are movable relative to said rotating surface of said ink-duct roller and relative to said ink-duct blade. 10. The ink-supply holding device according to claim 1, wherein said setting elements for producing said setting force are actable on said upper edge of said sides parts. 11. The ink-supply holding device according to claim 1, wherein a side of said resilient sealing element facing towards said rotating surface has a friction-reducing coating applied thereto. 12. The ink-supply holding device according to claim 11, wherein said friction-reducing coating covers part of the width of said resilient element. 13. The ink-supply holding device according to claim 1, wherein said planar surface of said side parts accommodates said sealing element sealing off a gap with respect to said ink-duct blade by said setting elements. 14. An ink duct in an inking unit of a printing machine, for holding an ink supply, comprising: an ink-duct roller with a rotating surface; an ink-feeding device including an ink-duct blade and side parts, said side parts having contact surfaces in contact with said rotating surface, a planar surface in contact with said ink-duct blade and an upper edge; said side parts with said contact surfaces defining a reservoir holding the ink supply for sealing off the ink supply with respect to said rotating surface; a resilient sealing element for sealing off a gap formed between said contact surfaces and said rotating surface, said resilient sealing element being received in said side parts of said ink-feeding device; and setting elements for applying a setting force to said side parts causing said resilient sealing element to contact said rotating surface for conveying the ink supply along contact lines extending in a surface perpendicularly to said rotating surface. 15. An inking unit in a printing machine having a device for holding an ink supply, the device comprising: an ink-duct roller with a rotating surface; an ink-feeding device including an ink-duct blade and side parts, said side parts having contact surfaces in contact with said rotating surface, a planar surface in contact with said ink-duct blade and an upper edge; said side parts with said contact surfaces defining a reservoir holding the ink supply for sealing off the ink supply with respect to said rotating surface; a resilient sealing element for sealing off a gap formed between said contact surfaces and said rotating surface, said resilient sealing element being received in said side parts of said ink-feeding device; and setting elements for applying a setting force to said side parts causing said resilient sealing element to contact said rotating surface for conveying the ink supply along contact lines extending in a surface perpendicularly to said rotating surface. 16. A printing unit in a printing machine, having a device for holding an ink supply, the device comprising: an ink-duct roller with a rotating surface; an ink-feeding device including an ink-duct blade and side parts, said side parts having contact surfaces in contact with said rotating surface, a planar surface in contact with said ink-duct blade and an upper edge; said side parts with said contact surfaces defining a reservoir holding the ink supply for sealing off the ink supply with respect to said rotating surface; a resilient sealing element for sealing off