US3850135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical vibration generation control apparatus
Assignee: Hughes Tool Co
•
Filing: 1973-02-14
•
Granted: 1974-11-26
•
Expires: 1993-02-14
Abstract
Abstract Following is disclosed acoustical apparatus whereby pressure fluctuations of large magnitude may be generated by pumping fluid through a first conduit to drive an acoustical oscillator coupled with an acoustical compliance that transmits the pressure fluctuations to an adjoining medium. A second conduit, containing the first conduit and the oscillator, returns fluid flow back toward a pump means. A variable restriction means such as a valve is used to control the back pressure in the system to prevent cavitation and increase the efficiency.
Inventors
- 👤 E Galle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:22
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/24; E21B28/00; E21B43/00; E21B43/003
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
66 words
Acoustical vibration generation and control apparatus comprising: pump means; an acoustical oscillator connected with and driven by the pump means; an acoustical load means to receive the fluid output of the acoustical oscillator; a coupling means connecting the oscillator output with the acoustical load means; a fluid return line connected with the acoustical load means; control means to selectively control the average pressure in said apparatus.
Claim 2
Dependent Claim
66 words
Acoustical vibration generation and control apparatus comprising: pump means; an acoustical oscillator connected with and driven by the pump means; an acoustical load means to receive the fluid output of the acoustical oscillator; a coupling means connecting the oscillator output with the acoustical load means; a fluid return line connected with the acoustical load means; control means to selectively control the average pressure in said apparatus.
Claim 3
Dependent Claim
11 words
The apparatus of claim 1 wherein said acoustical oscillator is fluidic.
Claim 4
Dependent Claim
22 words
The apparatus of claim 1 which further comprises acoustical isolation means to confine acoustical oscillations to a selected portion of the apparatus.
Claim 5
Dependent Claim
70 words
Acoustical vibration generation and control apparatus comprising: pump means; a fluidic acoustical oscillator driven by the pump means; an acoustical coupler adapted to receive the output of said oscillator; an acoustical compliance adapted to receive output of said oscillator and said coupler; a fluid return line connected with the acoustical compliance; and a flow restriction connected with the fluid return line to selectively control the average pressure in said apparatus.
Claim 6
Dependent Claim
70 words
Acoustical vibration generation and control apparatus comprising: pump means; a fluidic acoustical oscillator driven by the pump means; an acoustical coupler adapted to receive the output of said oscillator; an acoustical compliance adapted to receive output of said oscillator and said coupler; a fluid return line connected with the acoustical compliance; and a flow restriction connected with the fluid return line to selectively control the average pressure in said apparatus.
Claim 7
Dependent Claim
20 words
The apparatus of claim 4 which further comprises acoustical isolation means to confine acoustical isolations substantially to said acoustical compliance.
Claim 8
Dependent Claim
28 words
The apparatus of claim 5 wherein said acoustical isolation means are Helmholtz resonators spaced one quarter wave length or an odd multiple thereof above and below said compliance.
Claim 9
Dependent Claim
83 words
Acoustical vibration generation and control apparatus comprising: pump means; a fluidic acoustical oscillator driven by the pump means and including two outputs, each with vibrations out-of-phase with respect to the other; phase inversion means conneCted to one of said oscillator outputs; an acoustical compliance to receive in phase outputs of said phase inversion means and oscillator; a fluid return line connected with the acoustical compliance; a flow restriction connected with the fluid return line to selectively control the average pressure in said apparatus.
Claim 10
Dependent Claim
83 words
Acoustical vibration generation and control apparatus comprising: pump means; a fluidic acoustical oscillator driven by the pump means and including two outputs, each with vibrations out-of-phase with respect to the other; phase inversion means conneCted to one of said oscillator outputs; an acoustical compliance to receive in phase outputs of said phase inversion means and oscillator; a fluid return line connected with the acoustical compliance; a flow restriction connected with the fluid return line to selectively control the average pressure in said apparatus.
Claim 11
Dependent Claim
13 words
The apparatus of claim 7 wherein said flow restriction is a variable valve.
Claim 12
Dependent Claim
86 words
Acoustical vibration generation and control means comprising: pump means having a fluid input and a fluid output; a first conduit connected with the output of said pump; an acoustical, fluid driven oscillator adapted for fluid communication with and to be driven by fluid flow in said first conduit; a second conduit to receive the output of said oscillator; flow restriction to control the back pressure in the second conduit; and acoustical isolation means in said second conduit to isolate the acoustical energy to a selected zone.
Claim 13
Dependent Claim
86 words
Acoustical vibration generation and control means comprising: pump means having a fluid input and a fluid output; a first conduit connected with the output of said pump; an acoustical, fluid driven oscillator adapted for fluid communication with and to be driven by fluid flow in said first conduit; a second conduit to receive the output of said oscillator; flow restriction to control the back pressure in the second conduit; and acoustical isolation means in said second conduit to isolate the acoustical energy to a selected zone.
Claim 14
Dependent Claim
25 words
The apparatus of claim 9 wherein said flow restriction is a variable valve and the first conduit is sealingly disposed interior of the second conduit.
Claim 15
Dependent Claim
27 words
The apparatus of claim 10 which further includes a fluid reservoir to receive the fluid from said second conduit, and to supply fluid to said pump means.
Claim 16
Dependent Claim
111 words
Acoustical vibration generation and control apparatus comprising: pump means having a fluid input and a fluid output; a first conduit connected with the output of said pump; a fluidic acoustical oscillator driven by the pump means and including two outputs, each with vibrations out-of-phase with respect to the other; phase inversion means connected to one of said oscillator outputs; an acoustical compliance to receive in phase outputs of said phase inversion means and oscillator; a second conduit connected with said acoustical compliance; a flow restriction to control the back pressure in the second conduit; and acoustical isolation means in said second conduit to isolate the acoustical energy to a selected zone.
Claim 17
Dependent Claim
111 words
Acoustical vibration generation and control apparatus comprising: pump means having a fluid input and a fluid output; a first conduit connected with the output of said pump; a fluidic acoustical oscillator driven by the pump means and including two outputs, each with vibrations out-of-phase with respect to the other; phase inversion means connected to one of said oscillator outputs; an acoustical compliance to receive in phase outputs of said phase inversion means and oscillator; a second conduit connected with said acoustical compliance; a flow restriction to control the back pressure in the second conduit; and acoustical isolation means in said second conduit to isolate the acoustical energy to a selected zone.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |