US3170407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-pump unit
Assignee: LGC LIQUIDATING Inc
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Filing: 1962-03-12
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Granted: 1965-02-23
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Damon B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:28
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D13/083; H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
A MOTOR-PUMP UNIT HAVING A MOTOR HOUSING AND A PUMP HOUSING ADJACENT THERETO WITH AN APERTURE THEREBETWEEN, AN ELECTRIC MOTOR MOUNTED IN THE MOTOR HOUSING, SAID MOTOR HAVING A STATOR AND A ROTOR AND A STATOR COIL ALL OF WHICH ARE SPACED APART FROM THE TOP AND BOTTOM OF THE MOTOR HOUSING, SAID ROTOR HAVING A HORIZONTAL SHAFT EXTENDING THROUGH SAID APERTURE INTO SAID PUMP HOUSING AND CARRYING A PUMP IMPELLER THEREON IN SAID PUMP HOUSING, A SEAL AROUND SAID SHAFT BETWEEN SAID SHAFT AND THE APERTURE IN THE HOUSING, SAID MOTOR HOUSING AND PUMP HOUSING BEING DISPOSED SIDE BY SIDE AS DISTINCT FROM ONE ON TOP OF THE OTHER, SAID MOTOR HOUSING INCLUDING AN UPPERMOST PORTION ASYMMETRIC WITH RESPECT TO THE AXIS OF SAID SHAFT EXTENDING ABOVE THE UPPERMOST PORTION OF SAID PUMP HOUSING PROVIDING A CHAMBER RADIALLY SPACED FROM SAID SHAFT AXIS, SAID MOTOR HOUSING BEING TOTALLY CLOSED, AND OIL IN SAID MOTOR HOUSING EXTENDING FROM THE BOTTOM TO A LEVEL ABOVE THE TOP OF THE MOTOR COIL AND STATOR BUT BELOW THE TOP OF THE HOUSING LEAVING AN AIR SPACE THEREBETWEEN IN SAID CHAMBER, THE AIR IN SAID CHAMBER BEING AT ATMOSPHERIC PRESSURE WHEN SAID OIL IS COOL, I.E. UNHEATED BY OPERATION OF THE PUMP.
Claim 2
Dependent Claim
208 words
A MOTOR-PUMP UNIT HAVING A MOTOR HOUSING AND A PUMP HOUSING ADJACENT THERETO WITH AN APERTURE THEREBETWEEN, AN ELECTRIC MOTOR MOUNTED IN THE MOTOR HOUSING, SAID MOTOR HAVING A STATOR AND A ROTOR AND A STATOR COIL ALL OF WHICH ARE SPACED APART FROM THE TOP AND BOTTOM OF THE MOTOR HOUSING, SAID ROTOR HAVING A HORIZONTAL SHAFT EXTENDING THROUGH SAID APERTURE INTO SAID PUMP HOUSING AND CARRYING A PUMP IMPELLER THEREON IN SAID PUMP HOUSING, A SEAL AROUND SAID SHAFT BETWEEN SAID SHAFT AND THE APERTURE IN THE HOUSING, SAID MOTOR HOUSING AND PUMP HOUSING BEING DISPOSED SIDE BY SIDE AS DISTINCT FROM ONE ON TOP OF THE OTHER, SAID MOTOR HOUSING INCLUDING AN UPPERMOST PORTION ASYMMETRIC WITH RESPECT TO THE AXIS OF SAID SHAFT EXTENDING ABOVE THE UPPERMOST PORTION OF SAID PUMP HOUSING PROVIDING A CHAMBER RADIALLY SPACED FROM SAID SHAFT AXIS, SAID MOTOR HOUSING BEING TOTALLY CLOSED, AND OIL IN SAID MOTOR HOUSING EXTENDING FROM THE BOTTOM TO A LEVEL ABOVE THE TOP OF THE MOTOR COIL AND STATOR BUT BELOW THE TOP OF THE HOUSING LEAVING AN AIR SPACE THEREBETWEEN IN SAID CHAMBER, THE AIR IN SAID CHAMBER BEING AT ATMOSPHERIC PRESSURE WHEN SAID OIL IS COOL, I.E. UNHEATED BY OPERATION OF THE PUMP.
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |