Compressed air . aJabout the portion of the stack of tubes extendedtherein and removably secured to the discharge-head whereby the air is confined to the stack oftubes within the discharge-chamber and the cool-ing-tubes may be jemoved from the discharge-head by a comparatively short upward movementof the body portion. 810,759. VALVE FOR COMPOUND AIK-COMPRESSORS. Ebenczer Hill, Filed Jan. 24, 1905. Serial No. 242, valve for the intake-passage of an air-com-pressor having a valve-disk adapted to open andclose the passage, a plunger movable toward andfrom the disk, said plunger
Compressed air . aJabout the portion of the stack of tubes extendedtherein and removably secured to the discharge-head whereby the air is confined to the stack oftubes within the discharge-chamber and the cool-ing-tubes may be jemoved from the discharge-head by a comparatively short upward movementof the body portion. 810,759. VALVE FOR COMPOUND AIK-COMPRESSORS. Ebenczer Hill, Filed Jan. 24, 1905. Serial No. 242, valve for the intake-passage of an air-com-pressor having a valve-disk adapted to open andclose the passage, a plunger movable toward andfrom the disk, said plunger having a surface atits inner end that is exposed to the air-pressurein the intake-passage when the plunger is at : »inner limit, and a larger surface back from its 3975 COMPRESSED AIR. inner end that is exposed to the air-pressure mthe intake-passage when the plunger is movedf:om its inner limit, whereby the pressureagainst the smaller surface will tend to move theplunger away from the disk and pressure against. the larger surface will tend to hold the plungeraway from the disk, and a spring arranged toforce the plunger against the air-pressure whenthe pressure drops below normal and cause theplunger to interfere with the ordinary action ofthe disk. SAFETY COUPLING-SECTION FOKAIR-BR.\KE PIPES. William J. Hofstatter,Toledo, Ohio. Filed Aug. 19, 1904. Serial ,370. COUPLING-SECTION FOR TRAINAIR-PIPES. William J. Hofstatter, Toledo,Ohio. Filed June 17, 1905. Serial No. 265,697. 810,884. PNEUMATIC HOIST. James L. Pill-ing, Bucyrus, Ohio, assignor to Pilling Air En-gine Company, Detroit, Mich., a Dec. 27, 1904. Serial No. 238,536.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectcompres, bookyear1896
