Back to results
US 10,194,244 B2Granted
Electrically conductive membrane pump system
AssigneeClean Energy Labs, LLC
InventorJoseph F. Pinkerton
Life of this patent
Estimating the term…
Abstract
Pump systems having electrically conductive membranes are described. In embodiments of the invention, the electrically conductive membranes can be utilized as speakers to produce ultrasonic and audible sounds. The electrically conductive membranes are made from materials such as graphene, graphene oxide, and polymer films having a thin conductive coating.
Claims25
A system comprising:
- (a) a first device comprising a first electrically conductive membrane pump system, wherein
- (i) the first electrically conductive membrane pump system comprises one or more first electrically conductive membranes, and
- (ii) the first electrically conductive membrane pump system is operable to transmit information through the air via ultrasonic waves;
- (b) a second device comprising a second electrically conductive membrane pump system, wherein
- (i) the second electrically conductive membrane pump system comprises one or more first electrically conductive membranes, and
- (ii) the second electrically conductive membrane pump system is operable to receive the information transmitted through the air via ultrasonic waves by the first device and is further operable to emit sound within the auditory range of humans that corresponds to the information transmitted.
3 more elements
A device that comprises an electrically conductive membrane pump, wherein the electrically conductive membrane pump comprises:
- (i) a cavity having an electrically conductive membrane, wherein
- (a) the electrically conductive membrane is operable to change the volume capacity of the cavity,
- (a) the electrically conductive membrane comprises a polymer coated with a conductive coating, and
- (b) the conductive coating has a conductivity in the range of ten thousand ohms/cm2 to one billion ohms/cm2;
- (ii) a gate and a trace operatively connected to the electrically conductive membrane;
- and
- (iii) an input voltage source operatively connected to the gate and the trace, wherein the input voltage source is operable to control movement of the electrically conductive membrane to change the volume capacity of the cavity.
4 more elements
A device that comprises an electrically conductive membrane pump, wherein the electrically conductive membrane pump comprises:
- (i) a cavity having an electrically conductive membrane, wherein the diaphragm is operable to change the volume capacity of the cavity;
- (ii) a first valve connected to the cavity, wherein
- (a) the first valve is operable to be in an open position, wherein fluid can flow (I) through the first valve into the cavity and (II) from the cavity through the first valve, depending upon the pressure differential across the first valve, and
- (b) the first valve is operable to be in a closed position, wherein fluid cannot flow (I) through the first valve into the cavity and (II) from the cavity through the first valve, regardless of the pressure differential across the first valve;
- and
- (iii) a second valve connected to the cavity, wherein
- (a) the second valve is operable to be in an open position, wherein fluid can flow (I) through the second valve into the cavity and (II) from the cavity through the second valve, depending upon the pressure differential across the second valve, and
- (b) the second valve is operable to be in a closed position, wherein fluid cannot flow (I) through the second valve into the cavity and (II) from the cavity through the second valve, regardless of the pressure differential across the second valve;
- wherein
- (I) at least one of the cavity, first valve, or second valve comprises an electrically conductive membrane,
- (II) the electrically conductive membrane comprises a polymer coated with a conductive coating, and
- (III) the conductive coating has a conductivity in the range of ten thousand ohms/cm2 to one billion ohms/cm2.
9 more elements
Dependencies are inferred from the claim text.