US3292425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic wheel test apparatus
Assignee: Pametrada
•
Filing: 1963-09-30
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Granted: 1966-12-20
•
Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Robert B Conn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:40
CPC Classifications
G; G07; G07C; G07C3/00; G07C3/14; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN APPARATUS FOR TESTING A WHEEL COMPRISING A SHAFT ADAPTED TO CARRY THE WHEEL, PRIME MOVER DRIVING MEANS ADAPTED TO ROTATE THE SHAFT AND WHEEL, MEANS FOR SELECTING THE SPEED OF THE SHAFT, IMPULSE GENERATOR MEANS DRIVEN IN PROPORTION TO THE SPEED OF THE WHEEL, MEANS FOR SELECING AN INTEGRAL NUMBER OF IMPULSES PER REVOLUTION OF THE SHAFT, A STABLE OSCILATOR, MULTIPLICATIVE MIXING MEANS HAVING INPUTS FROM THE IMPULSE GENERATOR AND FROM THE STABLE OSCILLATOR AND PRODUCING AN OUTPUT HAVING FREQUENCY COMPONENTS EQUAL TO THE SUM OF THE INPUT FREQUENCIES AND THE DIFFERENCES OF THE INPUT FREQUENCIES, A POWER AMPLIFIER, AN ELECTROMAGNETIC DEVICE LOCATED ADJACENT THE WHEEL, MEANS CONNECTING A COMPONENT OF THE OUTPUT OF THE MIXING MEANS TO THE ELECTROMAGNETIC DEVICE VIA THE AMPLIFIER TO APPLY RHYTHMIC FORCES TO AN ANNULAR PART OF THE WHEEL.
Claim 2
Independent Claim
136 words
AN APPARATUS FOR TESTING A WHEEL COMPRISING A SHAFT ADAPTED TO CARRY THE WHEEL, PRIME MOVER DRIVING MEANS ADAPTED TO ROTATE THE SHAFT AND WHEEL, MEANS FOR SELECTING THE SPEED OF THE SHAFT, IMPULSE GENERATOR MEANS DRIVEN IN PROPORTION TO THE SPEED OF THE WHEEL, MEANS FOR SELECING AN INTEGRAL NUMBER OF IMPULSES PER REVOLUTION OF THE SHAFT, A STABLE OSCILATOR, MULTIPLICATIVE MIXING MEANS HAVING INPUTS FROM THE IMPULSE GENERATOR AND FROM THE STABLE OSCILLATOR AND PRODUCING AN OUTPUT HAVING FREQUENCY COMPONENTS EQUAL TO THE SUM OF THE INPUT FREQUENCIES AND THE DIFFERENCES OF THE INPUT FREQUENCIES, A POWER AMPLIFIER, AN ELECTROMAGNETIC DEVICE LOCATED ADJACENT THE WHEEL, MEANS CONNECTING A COMPONENT OF THE OUTPUT OF THE MIXING MEANS TO THE ELECTROMAGNETIC DEVICE VIA THE AMPLIFIER TO APPLY RHYTHMIC FORCES TO AN ANNULAR PART OF THE WHEEL.
References Cited (Backward Citations)
US1502903A
Cited
US2404965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |