US3878469A
Expired / Lapsed
US
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Method and apparatus for producing ions at ultrasonic frequencies
Assignee: MOUNTAIN STATES PLASTICS Inc
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Filing: 1973-07-23
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Granted: 1975-04-15
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Expires: 1993-07-23
Abstract
Abstract A method and apparatus for producing increased quantities of ions with greater efficiency wherein an electric ion generator produces character-controlled periodic, oscillatory pulses of electric energy having positive and negative components in each cycle of uneven amplitude which are used to generate positive and negative ions in distinct wave fronts or areas in a gas stream. Either the positive or negative pulse components may be used to produce only positive or negative ions. An ultrasonic generator produces vibratory sound wave pulses of ultransonic sound wave energy in a resonant cavity to pulse the gas, prior to, during or after the ionizing thereof to increase the energy level thereof. The ultrasonic energy sound waves are at approximate multiples of the frequency of the electric energy pulses producing the ions whereby the ultrasonic sound wave pulses hold ions of a similar polarity in the distinct pressure wave fronts or areas.
Inventors
- 👤 Robert E Bolasny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:22
CPC Classifications
H; H01; H01T; H01T23/00; B; B05; B05B; B05B17/00; B05B17/04; B05B17/06; B05B17/0692; B05B5/00; B05B5/025; B05B5/03; B05B5/16; B05B5/1691; F; F02; F02M; F02M27/00
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
81 words
In a method of producing ions in a gas with greater efficiency and a minimum of ozone, the steps of: providing a stream of gas, applying periodic pulses of electric energy to the stream of gas to generate ions, and pulsing the stream of gas with ultrasonic sound wave vibrations which are approximate multiples of the frequency of the electric energy to produce groups of the ions in distinct pressure fronts at higher energy levels to increase the energy level thereof.
Claim 2
Dependent Claim
81 words
In a method of producing ions in a gas with greater efficiency and a minimum of ozone, the steps of: providing a stream of gas, applying periodic pulses of electric energy to the stream of gas to generate ions, and pulsing the stream of gas with ultrasonic sound wave vibrations which are approximate multiples of the frequency of the electric energy to produce groups of the ions in distinct pressure fronts at higher energy levels to increase the energy level thereof.
Claim 3
Dependent Claim
29 words
In a method of producing ions in a gas as set forth in claim 1 wherein said pulses are of a single polarity to produce ions of one polarity.
Claim 4
Dependent Claim
32 words
In a method of producing ions in a gas as set forth in claim 1 wherein said pulses are oscillatory having positive and negative components to alternately produce positive and negative ions.
Claim 5
Dependent Claim
27 words
In a method of producing ions in a gas as set forth in claim 3 wherein said electric energy has positive and negative components of unequal amplitude.
Claim 6
Dependent Claim
36 words
In a method of producing ions in a gas as set forth in claim 3 wherein said electric pulses have a positive component peak output voltage in the range of about 8,000 volts to 20,000 volts.
Claim 7
Dependent Claim
33 words
In a method of producing ions in a gas as set forth in claim 3 wherein said electric pulses have a negative component in the range of about 10,000 volts to 30,000 volts.
Claim 8
Dependent Claim
35 words
In a method of producing ions in a gas as set forth in claim 3 wherein said electric energy is oscillating at a frequency of in the range of about 90 Hz to 1,200 Hz.
Claim 9
Dependent Claim
30 words
In a method of producing ions in a gas as set forth in claim 1 wherein the electric energy has a range of current of about 0.5 to 2 milliaperes.
Claim 10
Dependent Claim
41 words
In a method of producing ions in a gas as set forth in claim 1 further including the step of producing a stream of gas to be ionized at inlet pressures in the range of about 0.5 psi to 28 psi.
Claim 11
Dependent Claim
35 words
In a method of producing ions in a gas as set forth in claim 1 further including the step of introducing particles into the ionized gas stream to form ionized particles in the gas stream.
Claim 12
Dependent Claim
35 words
In a method of producing ions in a gas as set forth in claim 1 wherein the pulses of electric energy are applied to the gas prior to the pulsing with ultrasonic sound wave vibrations.
Claim 13
Dependent Claim
34 words
In a method of producing ions in a gas as set forth in claim 1 wherein the pulses of electric energy is applied to the gas during the pulsing with ultrasonic sound wave vibrations.
Claim 14
Dependent Claim
35 words
In a method of producing ions in a gas as set forth in claim 1 wherein the pulses of electric energy are applied to the gas subsequent to the pulsing with ultrasonic sound wave vibrations.
Claim 15
Dependent Claim
99 words
In apparatus for producing ions in a gas with greater efficienty and a minimum of ozone, the combination comprising: means for providing a stream of gas under pressure, ion generator and dispersing means for applying periodic pulses of electric energy to the stream of gas to produce ions, and sound wave generator means for pulsing the stream of gas with ultrasonic sound wave vibrations which are approximately multiples of the frequency of the electric energy to generate groups of ions in the stream of gas in distinct pressure fronts at higher energy levels to increase the energy level thereof.
Claim 16
Dependent Claim
99 words
In apparatus for producing ions in a gas with greater efficienty and a minimum of ozone, the combination comprising: means for providing a stream of gas under pressure, ion generator and dispersing means for applying periodic pulses of electric energy to the stream of gas to produce ions, and sound wave generator means for pulsing the stream of gas with ultrasonic sound wave vibrations which are approximately multiples of the frequency of the electric energy to generate groups of ions in the stream of gas in distinct pressure fronts at higher energy levels to increase the energy level thereof.
Claim 17
Dependent Claim
61 words
In apparatus for producing ions in a gas as set forth in claim 14 wherein said ion generator and dispersing means includes an electric power circuit having means for converting AC power to DC power and a blocking oscillator type electric circuit responsive to said DC power to generate a negative driven pulse and a positive flyback pulse in each cycle.
Claim 18
Dependent Claim
114 words
In apparatus for producing ions in a gas as set forth in claim 14 wherein said ion generator and dispersing means includes: tubular housing of a non-conductive material having a gas inlet at one end and a gas outlet at the other end defining an ionizing chamber; at least one ionizing point at the upstream end of the ionizing chamber to which the electric pulses are applied; a ground ring for said ionizing point at the downstream end of the ionizing chamber and axially displaced from said ionizing point through which the ionized stream of gas is directed, and a nozzle head for directing the ionized stream of gas to the point of use.
Claim 19
Dependent Claim
29 words
In apparatus for producing ions in a gas as set forth in claim 16 wherein there are plurality of ionizing points at circumferentially spaced intervals in said ionizing chamber.
Claim 20
Dependent Claim
30 words
In apparatus for producing ions in a gas as set forth in claim 14 further including means for introducing a gas under pressure into the inlet of said ionizing chamber.
Claim 21
Dependent Claim
25 words
In apparatus for producing ions in a gas as set forth in claim 14 wherein said sound wave generator means is of the resonant cavity-type.
Claim 22
Dependent Claim
156 words
In apparatus for producing ions in a gas as set forth in claim 5 wherein said sound wave generator means includes; an inner cylindrical wall open at its outlet end across a countersink surrounded by an annular flange, the cylindrical wall having an end wall with an axial inlet concentric with an imaginary circle containing the centers of a plurality of spaced axial holes and further having radial holes in the sides thereof with coplanar axis spaced at about 90 degrees, and a cell surrounding the inner cylindrical wall with the flange secured along the inside therof to form an axially extending outer cavity, the cell having an inlet coaxially aligned with the inlet and outlet of the inner cylindrical wall whereby to produce a core stream of ionized gas flow forming a sculptured convergingdiverging nozzle adjacent said radial holes at the outlet end of said cylindrical wall which accelerates the core stream to ultrasonic speeds.
Claim 23
Dependent Claim
63 words
In apparatus for producing ions in a gas as set forth in claim 14 wherein said ion generator and dispersing means includes an electric generator circuit for producing periodic oscillatory pulses of electric energy having alternating positive and negative pulse components and a uni-directional control circuit for eliminating one of said positive and negative pulse components to produce ions of only one polarity.
Claim 24
Dependent Claim
33 words
In apparatus for producing ions in a gas as set forth in cLaim 21 wherein said uni-directional control circuit is a diode and resistor connected across the output of the electric generator circuit.
Claim 25
Dependent Claim
68 words
In apparatus for producing ions in a gas as set forth in claim 14 wherein said ion generator and dispersing means includes an electric generator circuit for producing pulses of electric energy and an ionizing electrode and a ground electrode spaced from the ionizing electrode in an ionizing chamber through which the gas passes and said sound wave generator means is in the form of a resonant cavity.
Claim 26
Dependent Claim
33 words
In apparatus for producing ions in a gas as set forth in claiam 23 wherein said ionizing chamber and resonant cavity are in a coaxial alinement and in flow communication with one another.
Claim 27
Dependent Claim
33 words
In apparatus for producing ions in a gas as set forth in claiam 23 wherein said ionizing chamber and resonant cavity are in a coaxial alinement and in flow communication with one another.
Claim 28
Dependent Claim
30 words
In apparatus for producing ions in a gas as set forth in claim 23 wherein said ionizing chamber and resonant cavity are coextensive in length for ultrasonic pulsing during ionization.
Claim 29
Dependent Claim
24 words
In apparatus for producing ions in a gas as set forth in claim 23 wherein said ionizing chamber is upstream of said resonant cavity.
Claim 30
Dependent Claim
24 words
In apparatus for producing ions in a gas as set forth in claim 23 wherein said ionizing chamber is downstream of said resonant cavity.
References Cited (Backward Citations)
US3233147A
Cited
US3659151A
Cited
US3780945A
Cited
US3630441A
Cited
US3648929A
Cited
US3717875A
Cited
US3806029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-14 | 1978-10-14 | 1979-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-14 | 1982-10-14 | 1983-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-14 | 1986-10-14 | 1987-04-15 | $7700.00 | Window Closed / Lapsed |