US4768273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating nozzle mount
Assignee: MOVATS INCORPORATED A CORP OF
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Filing: 1987-04-21
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Granted: 1988-09-06
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Expires: 2007-04-21
Abstract
Abstract A floating nozzle mount supports the high pressure nozzle of a hydraulic packing extraction tool in a movable, floating relationship relative to the stuffing-box of a pump, compressor, valve, or the like, such that as packing material within the stuffing box rises out of the stuffing box, the high pressure nozzle is progressively moved out of the stuffing box to reduce the possibility of canting and twisting of the packing material.
Inventors
- 👤 Thomas E. Kadlub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:02
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/0028; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53983
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
151 words
In combination: a stuffing box including, at least a cavity, and a mouth accessing said cavity; packing material packed within said stuffing box; a high pressure spray nozzle, including at least a rigid tube, fluid inlet and a fluid outlet, from which fluid is controllably released under pressure from a fluid reservoir; alignment means for aligning said spray nozzle in a first position with said fluid outlet positioned within said cavity of said stuffing box, said first position being a position from which fluid directed under pressure from said nozzle at said packing material will loosen said packing material and force said packing material to move toward said mouth of said stuffing box, thus pushing against said outlet of said nozzle; and means for providing controlled movement of said spray nozzle away from said first position in response to movement of said packing ring toward said mouth of said stuffing box.
Claim 2
Dependent Claim
151 words
In combination: a stuffing box including, at least a cavity, and a mouth accessing said cavity; packing material packed within said stuffing box; a high pressure spray nozzle, including at least a rigid tube, fluid inlet and a fluid outlet, from which fluid is controllably released under pressure from a fluid reservoir; alignment means for aligning said spray nozzle in a first position with said fluid outlet positioned within said cavity of said stuffing box, said first position being a position from which fluid directed under pressure from said nozzle at said packing material will loosen said packing material and force said packing material to move toward said mouth of said stuffing box, thus pushing against said outlet of said nozzle; and means for providing controlled movement of said spray nozzle away from said first position in response to movement of said packing ring toward said mouth of said stuffing box.
Claim 3
Dependent Claim
135 words
Combination of claim 1, wherein said means for providing controlled movement comprises, at least: force means for maintaining a biasing force biasing said nozzle toward said first position, said biasing force being of such magnitude as to exceed the magnitude of a reactionary force at said nozzle outlet developed in response to said fluid escaping said nozzle outlet under said pressure, and said biasing force being of a magnitude overcome by a combination of said reactionary force and the pushing force of said packing material pushing against said nozzle outlet as result of said loosening and movement of said packing material by said fluid directed under said pressure from said nozzle at said packing material; and means for defining a path to be travelled by said nozzle as it moves away from said first position.
Claim 4
Dependent Claim
24 words
Combination of claim 1, wherein said spray nozzle in said first position is oriented with said fluid outlet in contact with said packing material.
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) | 1991-09-06 | 1992-03-07 | 1992-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-06 | 1996-03-07 | 1996-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-06 | 2000-03-07 | 2000-09-06 | $7700.00 | Window Closed / Lapsed |