| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide systems and methods for compensating for pressure increase that may occur in various enclosed spaces of a pumping apparatus. <P>SOLUTION: Embodiments of the present invention may compensate for pressure increases in chambers of the pumping apparatus by moving a pumping means of the pumping apparatus to adjust the volume of the chamber to compensate for the pressure increase in the chamber. More specifically, in one embodiment, to account for unwanted pressure increases to the fluid in a dispense chamber the dispense motor may be reversed to back out piston to compensate for any pressure increase in the dispense chamber. <P>COPYRIGHT: (C)2012,JPO&INPIT |
