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Valve plate of a piston cylinderRelated Patent Categories: Pumps, Expansible Chamber Type, Having Pumping Chamber Pressure Responsive Distributor, Distributor Positioned Opposite Pumping Member End Face, Inlet And Discharge DistributorsValve plate of a piston cylinder description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070212242, Valve plate of a piston cylinder. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] (a) Technical Field of the Invention [0002] The present invention relates to a valve plate, and in particular, to a valve plate which allows the piston cylinder to increase compressed air flow rate. [0003] (b) Description of the Prior Art [0004] FIG. 1 depicts a conventional piston cylinder A1 comprising a cylinder A2, a cylinder mount A3 and a piston A4. The piston A4 is provided with a bottom bearing A5 for connection to a crank shaft A6 so that the power from the motor is transferred to the piston A4 which proceeds to a reciprocation movement. [0005] The top section of the piston A4 has an air inlet sealing plate A41 which moves downward together with the piston A4. Due to inertial force and pressure, both the downward force push the air sealing plate A41 so as to allow air to quickly move into the cylinder A2 via the air inlet hole A42 to be compressed. When the piston A4 moves upward, cylinder A2 will start to compress the air and the effective compressed air is directed into the air discharge seat A7 so that the valve A71 is pushed and the compressed air passes through the air conduit A8. The drawback of the conventional valve plate is that the control mechanism is not uniform and therefore the cost of components of the valve plate is increased. In order to increase the compressed air flow rate so as to increase the volume of the piston cylinder, this method is ineffective to the small size air pump and therefore the objective to reduce cost of production cannot be achieved. [0006] Accordingly, it is an object to provide a valve plate of a piston cylinder which can mitigate the drawbacks of the conventional valve plate. SUMMARY OF THE INVENTION [0007] The primary purpose of the present invention is to provide a valve plate of a piston cylinder of an air pump comprising a cylinder mount, an air outlet valve plate, a cylinder, a cylinder inner pad and piston module, characterized in that the cylinder mount is locked to the cylinder by a locking element with the air outlet valve plate being positioned between the mount and the cylinder, and each of a branch plate of the valve plate is corresponding to each of the air hole on the top face of the cylinder, and the valve plate is a plate body with circular connection edge, and the interior of the valve plate is extended outward to form a plurality of equal branch plates, and an equidistant gap s formed between each of the branch plate and the branch plate is independently to be opened or closed, and the bottom face of the connection edge is provided with at least one positioning edge which is corresponding to the sealing pads arranged between the cylinder mount and the cylinder of the positioning edge slot, and an urging branch plate within the interior of the cylinder mount urges and restricts each of the branch plate of the air outlet valve plates such that the opening and closing of each of the branch plate are synchronized and of same aptitude of swinging such that the air flow rate of each air hole is uniform and equal. [0008] Yet still another object of the present invention to provide a valve plate of a piston cylinder, wherein the piston module is mounted with one or at least one air inlet hole and a sealing plate according to the need of the air inlet flow rate. [0009] Still another object of the present invention is to provide a valve plate of a piston cylinder, wherein the interior of the cylinder is mounted with a wear-resistant inner pad for cylinder. [0010] The foregoing object and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts. [0011] Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example. BRIEF DESCRIPTION OF THE DRAWINGS [0012] FIG. 1 is a perspective view of a conventional piston cylinder. [0013] FIG. 2 is a perspective exploded view of a piston cylinder of the present invention. [0014] FIG. 3 is an exploded view showing the components of the piston cylinder of the present invention. [0015] FIG. 4 is a schematic view showing the bottom of the cylinder mount of the present invention. [0016] FIG. 5 is a schematic view showing the bottom of the air outlet valve plate of the present invention. [0017] FIG. 6 is a sectional view showing the air outlet valve plate of the present invention. [0018] FIG. 7 is a sectional view of the entire piston cylinder and the movement of the piston cylinder of the present invention. [0019] FIG. 8 is a schematic view showing the opening of the air outlet valve plate of the present invention. [0020] FIG. 9 is a schematic view showing the closing of the air outlet valve plate of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Continue reading about Valve plate of a piston cylinder... Full patent description for Valve plate of a piston cylinder Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Valve plate of a piston cylinder patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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