Patent ID: 8734132
Filing Date: 2014-05-27
Classification: F04B

Abstract:
1. A pump, comprising: (a) a molded concrete base, said molded concrete base having formed therein: (b) first and second single valves secured respectively to the first and second lower cavities for selectively opening and closing the first and second outlets of said first pipe during alternate half cycles of said pump; (c) a double valve secured to the third lower cavity for selectively opening and closing the outlet of said second pipe and the outlet of said third pipe during alternate half cycles of said pump; (d) first, second, and third top portions; (e) first and second diaphragms, said first diaphragm being secured between said first top portion and said concrete base and said second diaphragm being secured between said second top portion and said concrete base; (f) an output chamber formed by securing the third top portion to the third lower cavity, said output chamber having an outlet; (g) a pumping platform, said pumping platform, comprising: (h) first and second driving rods, the first driving rod being secured to the first portion of said lever and to the first diaphragm, and the second driving rod being secured to the second portion of the lever and to the second diaphragm.