US3168236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil scavenging system for a rotary compressor
Assignee: Jaeger Machine Co
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Filing: 1963-09-05
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Granted: 1965-02-02
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Expires: 1983-09-05
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Lamberton
- 👤 Orville R Lowther
- 👤 Robert A Redding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:09
CPC Classifications
F; F04; F04C; F04C28/00; F04C28/24; F04C28/06; F04C28/28; F04C29/00; F04C29/0007; F04C29/02; F04C29/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN COMBINATION WITH A MULTI-STAGE ROTARY COMPRESSOR HAVING A HIGH-PRESSURE SIDE INCLUDING A HIGH-PRESSURE CYLINDER AND A LOW-PRESSURE SIDE INCLUDING A LOW-PRESSURE CYLINDER AND AN INTERSTAGE MANIFOLD CONNECTING THE HIGH AND LOW PRESSURE CYLINDERS THEREOF AND HAVING A HIGHPRESSURE OIL LUBRICATING SYSETEM CONNETED TO THE CYLINDERS, MEANS FOR PREVENTING THE ACCUMLATION OF EXCESSIVE AMOUNTS OF OIL IN THE INTERSTAGE MANIFOLD AND COMPRISING A FLUID LINE CONNECTED BETWEEN SAID INTERSTAGE MANIFOLD AND A SOURCE OF HIGHER PRESSURE ON THE COMPRESSOR TO PROVIDE A PRESSURE DIFFERENTIAL FOR CREATING A POSITIVE JET OF FLUID IN THE MANIFOLD TO AID IN REMOVING THE OIL THEREFROM.
Claim 2
Dependent Claim
101 words
IN COMBINATION WITH A MULTI-STAGE ROTARY COMPRESSOR HAVING A HIGH-PRESSURE SIDE INCLUDING A HIGH-PRESSURE CYLINDER AND A LOW-PRESSURE SIDE INCLUDING A LOW-PRESSURE CYLINDER AND AN INTERSTAGE MANIFOLD CONNECTING THE HIGH AND LOW PRESSURE CYLINDERS THEREOF AND HAVING A HIGHPRESSURE OIL LUBRICATING SYSETEM CONNETED TO THE CYLINDERS, MEANS FOR PREVENTING THE ACCUMLATION OF EXCESSIVE AMOUNTS OF OIL IN THE INTERSTAGE MANIFOLD AND COMPRISING A FLUID LINE CONNECTED BETWEEN SAID INTERSTAGE MANIFOLD AND A SOURCE OF HIGHER PRESSURE ON THE COMPRESSOR TO PROVIDE A PRESSURE DIFFERENTIAL FOR CREATING A POSITIVE JET OF FLUID IN THE MANIFOLD TO AID IN REMOVING THE OIL THEREFROM.
References Cited (Backward Citations)
US2739758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |