Pump and pump control circuit apparatus and method
First Claim
1. A pump control circuit for use with a pump, the circuit comprising:
- a temperature sensor capable of producing a signal representative of changes in a temperature of the pump;
a microcontroller coupled to receive the signal from the temperature sensor, the microcontroller programmed to control a current provided to the pump; and
an output power stage coupled to receive the control signal from the microcontroller and capable of controlling the application of current to the pump in response to the control signal in order to stabilize the temperature of the pump.
0 Assignments
0 Petitions
Accused Products
Abstract
A method and apparatus for a pump and a pump control system. The apparatus includes pistons integrally formed in a diaphragm and coupled to the diaphragm by convolutes. The convolutes have a bottom surface angled with respect to a top surface of the pistons. The apparatus also includes an outlet port positioned tangentially with respect to the perimeter of an outlet chamber. The apparatus further includes a non-mechanical pressure sensor and a temperature sensor coupled to a pump control system. For the method of the invention, the microcontroller provides a pulse-width modulation control signal to an output power stage in order to selectively control the power provided to the pump. The control signal is based on the pressure within the pump, the current being provided to the pump, the voltage level of the battery, and the temperature of the pump.
-
Citations
17 Claims
-
1. A pump control circuit for use with a pump, the circuit comprising:
- a temperature sensor capable of producing a signal representative of changes in a temperature of the pump;
a microcontroller coupled to receive the signal from the temperature sensor, the microcontroller programmed to control a current provided to the pump; and
an output power stage coupled to receive the control signal from the microcontroller and capable of controlling the application of current to the pump in response to the control signal in order to stabilize the temperature of the pump. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- a temperature sensor capable of producing a signal representative of changes in a temperature of the pump;
-
9. A method of controlling a pump, the method comprising:
- sensing at least one of a direct temperature of the pump and an indirect temperature of the pump;
generating a control signal based on the sensed temperature; and
controlling the application of current to the pump in response to the control signal in order to stabilize the temperature of the pump. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
- sensing at least one of a direct temperature of the pump and an indirect temperature of the pump;
Specification