Patent ID: 8414273
Filing Date: 2013-04-09
Classification: F04B

Abstract:
1. A pulse pump, comprising: an electric motor; an electric power supply electrically communicating with the motor; a gear reduction drive communicating with the motor; an output shaft extending from the gear reduction drive; an actuator mechanism having an eccentric rotor, the output shaft being disposed within the eccentric rotor of the actuator mechanism and selectively actuating the actuator mechanism during motor operation; at least one diaphragm attached to the actuator mechanism; a one-way check valve assembly fluidly communicating with the at least one diaphragm; an anti-siphon valve assembly fluidly communicating with the one-way check valve assembly, the anti-siphon assembly including a one-way valve oriented in the opposite direction from the one-way check valve assembly; an actuator housing; the actuator mechanism slidably disposed within the actuator housing; a substantially circular diaphragm holder depending from the actuator mechanism and formed monolithically therewith; a diaphragm attachment groove peripherally disposed about the diaphragm holder; the at least one diaphragm having a toroid configuration and defining an open center, the at least one diaphragm having an inner bead disposed peripherally about the open center and being disposed within the diaphragm attachment groove of the diaphragm holder, an outer bead, and a web between the inner bead and the outer bead, wherein the web forms the toroid configuration of the at least one diaphragm; and wherein the actuator mechanism has a light passage extending therethrough, the pulse pump further comprising; a light source disposed adjacent the actuator mechanism for periodically passing light through the light passage of the actuator mechanism during operation thereof; a light receptor disposed adjacent the actuator mechanism and opposite the light source, the receptor periodically receiving light from the light source through the light passage during operation of the actuator mechanism; and means for neutrally positioning the at least one diaphragm and actuator mechanism according to the relative positions of the light passage, light source, and light receptor when operation is terminated.