US3841791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adaptor and frame for a centrifugal pump
Assignee: Studebaker Worthington Inc
•
Filing: 1972-05-30
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Granted: 1974-10-15
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Expires: 1992-05-30
Abstract
Abstract Centrifugal Pump Means to provide selectively close coupled centrifugal pump means and separately coupled centrifugal pump means from a wide variety of interchangeable modular components including respectively pluralities of different, interchangeable pump casings, pump impellers, pump drive shafts, adaptors, pump drive means and shaft seals each of which may be readily and conveniently operatively connected to each of the other stated pump components to thereby enable the provision of a very wide variety of different centrifugal pump means taking either close or separately coupled form, each of which is particularly suitable for a group of different pumping applications, without requiring the manufacture and inventory of a wide variety of completed pumps.
Inventors
- 👤 J Doolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:15
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/62; F04D29/628; F04D29/40; F04D29/42; F04D29/426; F05; F05B; F05B2230/00; F05B2230/60; F05B2230/601; Y; Y10; Y10S; Y10S415/00; Y10S415/912
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
160 words
A two piece adaptor in combination with a frame including a bearing cartridge for the driven shaft of a separately coupled centrifugal pump having, a pump casing with an impeller therein connected to and rotatable with the driven shaft, said two piece adaptor includes: a. an end cover and seal assembly about the driven shaft, b. a connecting bracket independent of said end cover and seal assembly and said frame dispose about the shaft and spaced therefrom having a first connecting means at one end for connecting the adaptor to the back end of the casing, and at the end remote therefrom a second connecting means for connecting the connecting bracket to the frame, c. means forming a seal between said connecting means and said end cover and seal assembly, and d. the frame includes, support means for said connecting bracket at the end remote from the connecting means to support one end of said bearing cartridge in assembled position.
Claim 2
Dependent Claim
160 words
A two piece adaptor in combination with a frame including a bearing cartridge for the driven shaft of a separately coupled centrifugal pump having, a pump casing with an impeller therein connected to and rotatable with the driven shaft, said two piece adaptor includes: a. an end cover and seal assembly about the driven shaft, b. a connecting bracket independent of said end cover and seal assembly and said frame dispose about the shaft and spaced therefrom having a first connecting means at one end for connecting the adaptor to the back end of the casing, and at the end remote therefrom a second connecting means for connecting the connecting bracket to the frame, c. means forming a seal between said connecting means and said end cover and seal assembly, and d. the frame includes, support means for said connecting bracket at the end remote from the connecting means to support one end of said bearing cartridge in assembled position.
Claim 3
Dependent Claim
29 words
A two piece adaptor as claimed in claim 1 including a cooling jacket about the bearing cartridge, and means for continuously supplying a cooling medium to said cooling jacket.
Claim 4
Dependent Claim
32 words
In a two piece adaptor as claimed in claim 1 wherein the bearing cartridge has spaced double rows of roller bearings, and means on said bearing cartridge for lubricating the roller bearings.
Claim 5
Dependent Claim
38 words
A two piece adaptor as claimed in claim 1 wherein the end cover and seal assembly has means therein operatively connectable to a mechanical seal, and said means adaptable to convert to a stuffing box interchangeable and selective.
Claim 6
Dependent Claim
39 words
A two piece adaptor as claimed in claim 1 wherein the end cover and seal assemnly has means thereon to form a stuffing box, and said means adaptable to be operatively connectible to a mechanical seal interchangeably and selectively.
Claim 7
Dependent Claim
87 words
A two piece adaptor as claimed in claim 1 wherein the support means for said connecting bracket comprises, a. a body member having means for connecting the body member to the connecting bracket, b. leg means on said body member at the end remote from the connecting bracket, c. and said body member having means to dispose said body member in snug engagement with the connecting bracket and to fix said body member at an angle to the longitudinal line of the connecting bracket in assembled position.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-14 | 1978-04-15 | 1978-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-14 | 1982-04-15 | 1982-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-14 | 1986-04-15 | 1986-10-15 | $7700.00 | Window Closed / Lapsed |