US4083659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-driven liquid-ring pump including a liquid separator
Assignee: Siemens AG
•
Filing: 1976-09-09
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Granted: 1978-04-11
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Expires: 1996-09-09
Abstract
Abstract A motor-driven liquid-ring pump in which the pump and the motor are disposed in tandem and are coupled to each other by means of a coupling and/or a transmission and including a liquid separator coupled to the pump. The improvement of the invention comprises the separator being disposed between the motor and the pump and at least partially enclosing the coupling and/or the transmission.
Inventors
- 👤 Heribert Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:40
CPC Classifications
F; F04; F04C; F04C23/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
71 words
In a motor-driven liquid-ring pump in which the pump and the motor are disposed in tandem and are coupled to each other by means of a coupling, and including a liquid separator coupled to said pump, the improvment comprising said separator being disposed between said motor and said pump and at least partially enclosing said coupling, said separator comprising a U-shaped, vertically-mounted separator having parallel legs which laterally enclose said coupling.
Claim 2
Dependent Claim
71 words
In a motor-driven liquid-ring pump in which the pump and the motor are disposed in tandem and are coupled to each other by means of a coupling, and including a liquid separator coupled to said pump, the improvment comprising said separator being disposed between said motor and said pump and at least partially enclosing said coupling, said separator comprising a U-shaped, vertically-mounted separator having parallel legs which laterally enclose said coupling.
Claim 3
Dependent Claim
12 words
The pump recited in claim 1, wherein said coupling comprises a transmission.
Claim 4
Dependent Claim
30 words
The pump recited in claim 1, wherein said motor has an overall height which is lower than said pump, and wherein said separator extends into the space above said motor.
Claim 5
Dependent Claim
23 words
The pump recited in claim 1, wherein said liquid separator has approximately the same overall height and width as that of said pump.
References Cited (Backward Citations)
US1867813A
Cited
GB683743A
Cited
US3025965A
Cited
DE1428250A1
Cited
US3289918A
Cited
US3262328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-10 | 1981-10-10 | 1982-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-10 | 1985-10-10 | 1986-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-10 | 1989-10-10 | 1990-04-11 | $7700.00 | Window Closed / Lapsed |