![]() ![]() The present invention relates to the manufacture of a compressor, and more specifically to the cylinder of a piston compressor. ![]() An arrangement for controlling the capacity of a compressor as defined in claim 1 including chamber means communicating with said working space by-pass value means between said working space and said chamber means and controlled by said adjusting means cone for admitting fluid into said chamber means from said working space during the stroke of said piston when compressing said fluid, the fluid admitted into said chamber means being a portion of the fluid in said working space expelled through said delivery space, the fluid admitted into said chamber means bypassing said delivery space, the fluid admitted into said chamber means being returned to said working space during the expansion stroke of said piston for reducing the amount of fluid drawn into the working space through said admission valves and thereby reducing the capacity of the compressor. ![]() A cylinder according to claim 1, wherein said movable member comprises a valve communicting said admission space of said cylinder with said working space thereof.Ħ. An arrangement for controlling the capacity of a compressor according to claim 3, wherein the lower portion of said second piston defines the upper wall of said variable volume space.ĥ. An arrangement for controlling the capacity of a compressor according to claim 1, including a second piston which is displaceable so as to vary the space at said head end of the compressor cylinder.Ĥ. A cylinder according to claim 1, wherein said movable member comprises a by-pass valve including a chamber whose cavity forms an additional "dead space" of a constant volume said by-pass valve communicating said working space of said cylinder with said chamber.ģ. An arrangement for controlling the capacity of a piston compressor comprising: a piston axially movable in said cylinder an admission space in said cylinder a working space in said cylinder, cylindrical admission valves, each communicating said admission space of said cylinder with the working space thereof annular elastic notched laminae of each of said cylindrical admission valves annular rigid seats of each of said cylindrical admission valves said seats having passages for the flow of the fluid being compressed said annular elastic notched laminae and said annular rigid seats alternating with one another a delivery space of said cylinder cylindrical delivery valves, each communicating said delivery space of said cylinder with said working space thereof annular elastic notched laminae of each of said cylindrical delivery valves annular rigid seats of each of said cylindrical delivery valves said seats having passages for the flow of the compressed fluid, said annular elastic notched laminae and said annular rigid seats alternating with one another a volume reducing cone adjacent to said admission valves and said delivery valves for reducing dead space in said valves and means cooperating with one of said cones for adjusting the output of said cylinder.Ģ. ![]()
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