US3187995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capsule for refrigerating machines
Assignee: Individual
•
Filing: 1962-08-27
•
Granted: 1965-06-08
•
Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Kjeldsen Kjeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:12
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/12; F04B39/121; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A HERMETIC REFRIGERATION UNIT COMPRISING, A REFRIGERATION COMPRESSOR, A CAPSULE COMPLETELY ENCLOSING SAID COMPRESSOR FOR REDUCING NOISE TRANSMITTED FROM SAID COMPRESSOR TO ITS SURROUNDINGS, SAID CAPSULE HAVING A DOUBLE CURVATURE WALL CONFIGURATION EFFECTIVE FOR SAID CAPSULE TO HAVE A NATURAL RESONANT FREQUENCY DIFFERENT THAN AUDIO FREQUENCIES AND HARMONIC FREQUENCIES TRANSMITTED FROM SAID COMPRESSOR, SAID CAPSULE HAVING AN ELLIPSOID CONFIGURATION, AND ELASTIC MEANS MOUNTING SAID COMPRESSOR INTERNALLY OF SAID CAPSULE, WHEREBY NOISE TRANSMISSION FROM SAID COMPRESSOR IS REDUCED.
Claim 2
Dependent Claim
77 words
A HERMETIC REFRIGERATION UNIT COMPRISING, A REFRIGERATION COMPRESSOR, A CAPSULE COMPLETELY ENCLOSING SAID COMPRESSOR FOR REDUCING NOISE TRANSMITTED FROM SAID COMPRESSOR TO ITS SURROUNDINGS, SAID CAPSULE HAVING A DOUBLE CURVATURE WALL CONFIGURATION EFFECTIVE FOR SAID CAPSULE TO HAVE A NATURAL RESONANT FREQUENCY DIFFERENT THAN AUDIO FREQUENCIES AND HARMONIC FREQUENCIES TRANSMITTED FROM SAID COMPRESSOR, SAID CAPSULE HAVING AN ELLIPSOID CONFIGURATION, AND ELASTIC MEANS MOUNTING SAID COMPRESSOR INTERNALLY OF SAID CAPSULE, WHEREBY NOISE TRANSMISSION FROM SAID COMPRESSOR IS REDUCED.
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |