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Atomizing nozzle device for atomizing a fluid and an inhaler

  • US 5,193,745 A
  • Filed: 10/12/1990
  • Issued: 03/16/1993
  • Est. Priority Date: 03/07/1989
  • Status: Expired due to Fees
First Claim
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1. An atomizing nozzle device for atomizing a fluid supplied thereto and comprising:

  • a housing having an outer wall defining an inner chamber of said housing, an inlet for introducing said fluid into said chamber, and an orifice for discharging said fluid from said chamber,a steam means comprising a closing element, said stem means being arranged within said housing so as to arrange said closing element juxtaposed said orifice for cooperating therewith,a spring means acting on said stem means for forcing said closing element thereof into said orifice for closing said orifice,an electro-magnetic driver means comprising a magnetic assembly and coil, said magnetic assembly defining a magnetic gap in which said coil is arranged, said magnetic assembly constituting a stationary component, and said coil constituting a movable component, said movable component being connected to said stem means and said stationary component being connected to said housing, and said electro-mechanical drive means comprising connector means for receiving an electrical signal for causing said movable component to move relative to said stationary component and furthermore causing said closing element of said stem means to move relative to said orifice for opening said orifice, anda switch means including a first switch component and a second switch component, said first switch component being connected to said stem means and being movable therewith, said second switch component being connected to said stationary component, said first and second switch components being in contact with one another and establishing a current path to said connector means when said orifice is closed by said closing element, and said first and second switch components being out of contact with one another and interrupting said current path when said closing element is moved relative to said orifice.

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