Pumps – Motor driven – Electric or magnetic motor
Reexamination Certificate
2005-08-04
2008-08-12
Freay, Charles G (Department: 3746)
Pumps
Motor driven
Electric or magnetic motor
C417S549000, C417S570000, C123S499000
Reexamination Certificate
active
07410347
ABSTRACT:
A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A permanent magnet structure of the drive section creates a magnetic flux field which interacts with an electromagnetic field produced during application of the control signals to the coil. Depending upon the polarity of the control signals applied to the coil, the coil is driven in one of two directions of movement. A drive member transfers movement of the coil to a pump element which reciprocates with the coil to draw fluid into a pump chamber and expel the fluid during each pump cycle. The pump is particularly well suited to cyclic pumping applications, such as fuel injection systems for internal combustion engines.
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Translation of German Patent DE19924485A1.
English Abstract of JP2000-299971.
Machine Translation of JP2000-299971.
English Abstract of JP2000-170646.
English Abstract of JP08-116658.
Machine Translation of JP08-116658.
English Abstract of JP07-259729.
Machine Translation of JP07-259729.
English Abstract of JP06-185456.
Machine Translation of JP06-185456.
English Abstract of JP06-346833.
Machine Translation of JP06-346833.
English Abstract of JP06-200869.
Machine Translation of JP06-200869.
English Abstract of JP06-38486.
Machine Transtlation of JP06-38486.
English Abstract of JP61-200386.
English Listing of Numerical References for the Figures of JP61-200386.
English Abstract of JP56-159575.
English Listing of Numerical References for the Figures of JP56-159575.
English Abstract of JP56-159576.
English Listing of Numerical References for the Figures of JP56-159576.
English Abstract of JP07-27041.
Machine Translation of JP07-27041.
BRP US Inc.
Freay Charles G
Osler Hoskin & Harcourt LLP
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