A compressed air muffler comprises a rear attachment section, a compressed air muffler section adjoining it in the longitudinal direction with a compressed air muffler body of a porous compressed air muffler material and an outlet duct extending in the length direction as far as a front outlet openi
A compressed air muffler comprises a rear attachment section, a compressed air muffler section adjoining it in the longitudinal direction with a compressed air muffler body of a porous compressed air muffler material and an outlet duct extending in the length direction as far as a front outlet opening, such outlet duct having in the muffler section, a form tapering toward the outlet opening. The muffler body has a bare outer peripheral face, its outer periphery face constituting an outlet face for the compressed air flowing through its wall athwart the longitudinal direction. The duct section extending through the attachment section, of the outlet duct merges steplessly with the duct section running in the muffler section.
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1. A compressed air muffler comprising:a rear attachment section having a first outlet duct section; and a muffler section adjoining said read attachment section in the longitudinal direction, said muffler section having a muffler body of porous muffler material, a second outlet duct section extendi
1. A compressed air muffler comprising:a rear attachment section having a first outlet duct section; and a muffler section adjoining said read attachment section in the longitudinal direction, said muffler section having a muffler body of porous muffler material, a second outlet duct section extending therein in the longitudinal direction and an outlet opening communicating with said second outlet duct, said second outlet duct having a form tapering within the muffler section toward the outlet opening and said muffler body having a bare outer periphery whereby an outer peripheral face of said muffler body forms an outlet face for compressed air flowing therethrough perpendicularly to the longitudinal direction, wherein said first outlet duct section of said rear attachment section merges steplessly with said second outlet duct section of said muffler section, and wherein the first and second outlet duct sections have a tapering form along their combined entire length, such taper being toward the outlet opening. 2. The compressed air muffler as set forth in claim 1, wherein the tapering configuration of the first and second outlet duct sections is conical.3. The compressed air muffler as set forth in claim 1, wherein said rear attachment section and said muffler are formed integrally of porous muffler material.4. The compressed air muffler as set forth in claim 1, wherein the attachment section possesses an attachment thread in the form of a male screw thread.5. The compressed air muffler as set forth in claim 1, wherein the porous material is selected from the group consisting substantially of sintered bronze, sintered brass, polyethylene sintered material, sintered stainless steel.6. The compressed air muffler as set forth in claim 1, wherein the muffler body has a circularly cylindrical external geometry.7. The compressed air muffler as set forth in claim 1, wherein the muffler body has an external form tapering to the outlet duct, wherein said muffler body has a constant wall thickness along is length.8. The compressed air muffler as set forth in claim 7, wherein the muffler body has a conically tapering external form.9. In combination with a compressed air muffler as set forth in claim 1, an upstream ejector means for generating a vacuum, the outlet diameter at the outlet opening of the outlet duct being of minimum size but larger than the minimum diameter of the receiving nozzle of the ejector means.10. A compressed air muffler comprising:a rear attachment section having a first outlet duct section; and a muffler section adjoining said rear attachment section in the longitudinal direction, said muffler section having a muffler body of porous muffler material, a second outlet duct section extending therein in the longitudinal direction and an outlet opening communicating with said second outlet duct, said second outlet duct having a form tapering within the muffler section toward the outlet opening and said muffler body having a bare outer periphery whereby an outer peripheral face of said muffler body forms an outlet face for compressed air flowing therethrough perpendicularly to the longitudinal direction, wherein said first outlet duct section of said rear attachment section merges steplessly with said second outlet duct section of said muffler section, and wherein said muffler body has a circularly cylindrical external geometry. 11. In combination:a compressed air muffler including a rear attachment section having a first outlet duct section and a muffler section adjoining said rear attachment section in the longitudinal direction, said muffler section having a muffler body of porous muffler material, a second outlet duct section extending therein in the longitudinal direction and an outlet opening communicating with said second outlet duct, said second outlet duct having a form tapering within the muffler section toward the outlet opening and said muffler body having a bare outer periphery whereby an outer peripheral face of said muffler body forms an outlet face for compressed air flowing therethrough perpendicularly to the longitudinal direction, wherein said first outlet duct section of said rear attachment section merges steplessly with said second outlet duct section of said muffler section; and an ejector means for generating a vacuum connected to said compressed air muffler upstream of said muffler in a longitudinal direction, said ejector means having a jet nozzle and a receiving nozzle in fluid communication with said jet nozzle, said first outlet duct section of said muffler rear attachment section being fluidly connected to said receiving nozzle and wherein said outlet opening of said muffler section has a diameter larger than the minimum diameter of said receiving nozzle of said ejector means.
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이 특허에 인용된 특허 (8)
Kroupa Larry G. (2014 Eastman Ct. Arlington Heights IL 60004), Compressed air driven vacuum pump assembly.
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