US3794236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monitoring and control means for evaluating the performance of vibratory-type devices
Assignee: Raytheon Co
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Filing: 1973-05-07
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Granted: 1974-02-26
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Expires: 1993-05-07
Abstract
Abstract Apparatus and method for determining the operative effectiveness of a vibrating means coupled to a non-linear load, said apparatus comprising a vibrating means operatively connected to a source of vibratory energy and having coupling means for connecting to a non-linear load, vibration sensing means electrically connected to a harmonic analyzing means having an output electrically connected to an indicator means which may include a display means and a control means.
Inventors
- 👤 T Salzer
- 👤 C Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:01
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/0207; B06B1/0223; B06B1/0238; B06B1/0246; B06B1/0261; B23; B23K; B23K20/00; B23K20/002; B23K20/004; B23K20/005; B23K20/10; H; H10; H10N; H10N35/00; H10N35/80; B06B2201/00; B06B2201/70; B06B2201/72; H10W; H10W72/00; H10W72/071; H10W72/0711; H10W72/07141; H10W72/075; H10W72/07521; H10W72/07531; H10W72/07532; H10W72/07533; H10W72/50; H10W72/531; H10W72/5363; H10W72/551; H10W72/552; H10W72/5524
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
126 words
In combination: a source of oscillatory electrical energy; an electromechanical transducer having a portion electrically connected to said source and a vibratile portion responsive to the oscillations of said energy, the vibratile portion having an excitation frequency of vibration; mechanical coupling means attached to said vibratile portion for conducting vibrational motion thereof to a non-linear load; vibration sensing means disposed in responsive relationship to the vibrational motion of the coupling means and having an electrical output corresponding to the vibrational modes of said coupling means; harmonic analyzing means electrically connected to the output of the vibration sensing means and having an electrical output corresponding to a harmonic vibrational mode of the coupling means; and indicator means electrically connected to the output of the harmonic analyzing means.
Claim 2
Dependent Claim
126 words
In combination: a source of oscillatory electrical energy; an electromechanical transducer having a portion electrically connected to said source and a vibratile portion responsive to the oscillations of said energy, the vibratile portion having an excitation frequency of vibration; mechanical coupling means attached to said vibratile portion for conducting vibrational motion thereof to a non-linear load; vibration sensing means disposed in responsive relationship to the vibrational motion of the coupling means and having an electrical output corresponding to the vibrational modes of said coupling means; harmonic analyzing means electrically connected to the output of the vibration sensing means and having an electrical output corresponding to a harmonic vibrational mode of the coupling means; and indicator means electrically connected to the output of the harmonic analyzing means.
Claim 3
Dependent Claim
40 words
The combination as set forth in claim 1 wherein the vibratile portion of the transducer comprises an elongated body of magnetostrictive material and the electrically connected portion of the transducer comprises an excitation coil encircling a portion of said body.
Claim 4
Dependent Claim
22 words
The combination as set forth in claim 1 wherein the vibratile portion has an excitation frequency of vibration within the ultrasonic range.
Claim 5
Dependent Claim
38 words
The combination as set forth in claim 3 wherein the coupling means comprises an acoustical horn having one end attached to the vibratile portion of the transducer and a bonding tool attached to an opposing end portion thereof.
Claim 6
Dependent Claim
21 words
The combination as set forth in claim 4 wherein the vibration sensing means comprises an accelerometer secured to the bonding tool.
Claim 7
Dependent Claim
35 words
The combination as set forth in claim 1 wherein the harmonic analyzing means includes a notch filter circuit and a bandpass filter network connected in electrical series with the output of the vibration sensing means.
Claim 8
Dependent Claim
36 words
The combination as set forth in claim 6 wherein the harmonic analyzing means includes an envelope detector network, an electronic multiplier circuit and an electronic integrator device connected in electrical series with the bandpass filter network.
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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |