INDUCTIVELY OPERATED FLUID DISPENSING DEVICE
First Claim
1. A device for delivering fluid, comprising:
- an elongated outer casing provided with a substantially cylindrical inner chamber;
an inner cartridge, for insertion into said inner chamber and comprising a plunger movable axially along a longitudinal axis A-A of an inner reservoir towards an outlet;
a coil assembly comprising one or several outer coils, on said outer casing and axially oriented along the chamber longitudinal axis,wherein an inner coil in said inner cartridge is attached to said movable plunger.
1 Assignment
0 Petitions
Accused Products
Abstract
A device for delivering fluid, having an elongated outer casing (10) provided with a substantially cylindrical inner chamber (11); an inner cartridge (20), for insertion into the inner chamber (11) and including a plunger (21) movable axially along a longitudinal axis A-A of an inner reservoir (22) towards an outlet (28). The device also includes a coil assembly (12, 23, 24) having an outer coil (12), an inner coil (23) and an inner coil core (24). The outer coil (12) is provided on the outer casing (10) and axially oriented along the chamber longitudinal axis. And, the inner coil (23) is provided in the inner cartridge (20) attached to the movable plunger (21). The invention also relates to the corresponding method for delivering fluid.
18 Citations
14 Claims
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1. A device for delivering fluid, comprising:
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an elongated outer casing provided with a substantially cylindrical inner chamber; an inner cartridge, for insertion into said inner chamber and comprising a plunger movable axially along a longitudinal axis A-A of an inner reservoir towards an outlet; a coil assembly comprising one or several outer coils, on said outer casing and axially oriented along the chamber longitudinal axis, wherein an inner coil in said inner cartridge is attached to said movable plunger. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for delivering fluid from a cartridge, comprising the steps of:
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providing an elongated outer casing having a substantially cylindrical inner chamber; providing an inner cartridge, for insertion into said inner chamber and comprising a plunger movable axially along a longitudinal axis (A-A) of an inner reservoir; providing a coil assembly, such that; at least one outer coil is provided on said outer casing and axially oriented along the chamber longitudinal axis, and a inner coil is provided in said inner cartridge attached to said movable plunger. - View Dependent Claims (12, 13, 14)
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Specification