Patent US4121729A successfully refreshed from Google Patents.
Patent US4095305A successfully refreshed from Google Patents.
US4095305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning apparatus for tubes and tube bundles
Assignee: Heist C H Ohio Corp
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Filing: 1976-07-12
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Granted: 1978-06-20
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Expires: 1996-07-12
Abstract
Abstract (1) A construction for reciprocating and rotating a lance comprising a frame, attachment structure for securing said frame relative to a tube to be cleaned, lance reciprocating and rotating mechanism on said frame substantially adjacent said tube, a carriage for attachment to the end of the lance remote from said tube, a swivel connection on the carriage for permitting rotation of the lance while high pressure water is being fed thereto, a carriage support for supporting said carriage for movement toward and away from said tube, and a mounting arrangement for mounting said carriage support. (2) A frame for mounting a lance advancing mechanism including first and second spaced frame members, clamp members for attaching the first and second frame members to the end plate of a tube bundle, track members extending between the first and second frame members, a carriage for mounting a lance advancing mechanism mounted on the track members, an adjustment arrangement for varying the position of the track members relative to the end plate, and indexing members for varying the position of the carriage on the track members.
Inventors
- 👤 Robert J. Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:00
CPC Classifications
F; F28; F28G; F28G3/00; F28G3/10; Y; Y10; Y10T; Y10T408/00; Y10T408/65; Y10T408/675
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
110 words
A lance reciprocating and rotating construction comprising frame means, means for securing said frame means relative to a tube to be cleaned, lance advancing and rotating means including motor means for advancing and rotating a lance, first mounting means for mounting said motor means on said frame means, carriage means for attachment to the end of said lance remote from said tube, swivel means on said carriage means for permitting rotation of said lance, carriage-supporting means for supporting said carriage means for movement toward and away from said tube, and second mounting means for mounting said carriage-supporting means, said motor means being located between said carriage means and said tube.
Claim 2
Dependent Claim
110 words
A lance reciprocating and rotating construction comprising frame means, means for securing said frame means relative to a tube to be cleaned, lance advancing and rotating means including motor means for advancing and rotating a lance, first mounting means for mounting said motor means on said frame means, carriage means for attachment to the end of said lance remote from said tube, swivel means on said carriage means for permitting rotation of said lance, carriage-supporting means for supporting said carriage means for movement toward and away from said tube, and second mounting means for mounting said carriage-supporting means, said motor means being located between said carriage means and said tube.
Claim 3
Dependent Claim
24 words
A construction as set forth in claim 1 including indexing means for indexing said lance advancing and rotating means relative to a tube bundle.
Claim 4
Dependent Claim
41 words
A construction as set forth in claim 2 wherein said carriage supporting means comprises track means, and wherein said second mounting means includes means for adjusting the position of said track means to correspond with the indexed position of said lance.
Claim 5
Dependent Claim
26 words
A construction as set forth in claim 2 wherein said indexing means comprises a template, and means for positioning said template relative to said tube bundle.
Claim 6
Dependent Claim
33 words
A construction as set forth in claim 1 wherein said motor means comprises first motor means for advancing said lance axially and second motor means for rotating said lance about its longitudinal axis.
Claim 7
Dependent Claim
18 words
A construction as set forth in claim 5 wherein said first and second motor means comprise fluid motors.
Claim 8
Dependent Claim
25 words
A construction as set forth in claim 6 including rotating seal means for effecting communication between a fluid pressure source and said first motor means.
Claim 9
Dependent Claim
74 words
A construction as set forth in claim 5 wherein said first mounting means comprise a first base, and wherein said lance advancing and rotating means include a second base journalled for rotation on said first base, means mounting said first motor means for rotation with said second base, means mounting said second motor means on said first base, and means coupling said second motor means to said second base for rotating said second base.
Claim 10
Dependent Claim
33 words
A construction as set forth in claim 8 including a hollow tube coupled to said second base and located between said second base and said tube-to-be-cleaned for guiding said lance to said tube-to-be-cleaned.
Claim 11
Dependent Claim
26 words
A construction as set forth in claim 1 including a high pressure fluid connection on said carriage means for providing high pressure fluid to said lance.
Claim 12
Dependent Claim
18 words
A construction as set forth in claim 10 wherein said motor means are positioned substantially adjacent said tube-to-be-cleaned.
Claim 13
Dependent Claim
26 words
A construction as set forth in claim 1 including a hollow tube between said motor means and said tube-to-be-cleaned for guiding said lance to said tube-to-be-cleaned.
Claim 14
Dependent Claim
87 words
A lance reciprocating and rotating construction comprising frame means, lance advancing and rotating means for advancing and rotating a lance, means for mounting said lance advancing and rotating means on said frame means proximate a tube to be cleaned, carriage means remote from said lance advancing and rotating means for mounting an end portion of said lance means for rotation, means for supporting said carriage means, and means for coupling the end of said lance means supported by said carriage means to a high pressure fluid source.
Claim 15
Dependent Claim
87 words
A lance reciprocating and rotating construction comprising frame means, lance advancing and rotating means for advancing and rotating a lance, means for mounting said lance advancing and rotating means on said frame means proximate a tube to be cleaned, carriage means remote from said lance advancing and rotating means for mounting an end portion of said lance means for rotation, means for supporting said carriage means, and means for coupling the end of said lance means supported by said carriage means to a high pressure fluid source.
Claim 16
Dependent Claim
35 words
A lance reciprocating construction as set forth in claim 13 including first means for adjusting the elevation of said lance advancing and rotating means, and second means for adjusting the elevation of said carriage means.
Claim 17
Dependent Claim
29 words
A lance reciprocating construction as set forth in claim 14 wherein said means for supporting said carriage means comprises track means, and standard means for supporting said track means.
Claim 18
Dependent Claim
33 words
A lance reciprocating construction as set forth in claim 15 wherein said standard means include means for permitting said track means to move laterally to accommodate the lateral position of said lance means.
Claim 19
Dependent Claim
135 words
A lance reciprocating and rotating mechanism comprising base means, spaced wheel means on said base means for engaging a lance, first motor means for driving said wheel means to advance said lance axially, second motor means for causing said wheel means to revolve about the axis of said lance for rotating said lance, said wheel means comprising first and second wheels and said first motor means comprising a first motor for rotating said first wheel in a first direction and a second motor for rotating said second wheel in a second direction which is opposite to said first direction, means for adjustably mounting said first and second wheels for movement toward and away from each other to receive lances of different sizes, and means for resiliently biasing said first and second wheels toward each other.
Claim 20
Dependent Claim
135 words
A lance reciprocating and rotating mechanism comprising base means, spaced wheel means on said base means for engaging a lance, first motor means for driving said wheel means to advance said lance axially, second motor means for causing said wheel means to revolve about the axis of said lance for rotating said lance, said wheel means comprising first and second wheels and said first motor means comprising a first motor for rotating said first wheel in a first direction and a second motor for rotating said second wheel in a second direction which is opposite to said first direction, means for adjustably mounting said first and second wheels for movement toward and away from each other to receive lances of different sizes, and means for resiliently biasing said first and second wheels toward each other.
Claim 21
Dependent Claim
47 words
A lance reciprocating and rotating mechanism as set forth in claim 17 wherein said base means is mounted on a hollow member having an opening therein for receiving said lance, and wherein said first and second wheels drive said lance through said opening in said hollow member.
Claim 22
Dependent Claim
65 words
A lance reciprocating and rotating construction for cleaning a tube comprising base means, lance-engaging means on said base means for engaging a lance, motor means coupled to said lance-engaging means for rotating said lance and advancing it axially, means for mounting said lance-engaging means substantially adjacent a tube which is to receive said lance, and means for indexing said lance relative to a tube bundle.
Claim 23
Dependent Claim
65 words
A lance reciprocating and rotating construction for cleaning a tube comprising base means, lance-engaging means on said base means for engaging a lance, motor means coupled to said lance-engaging means for rotating said lance and advancing it axially, means for mounting said lance-engaging means substantially adjacent a tube which is to receive said lance, and means for indexing said lance relative to a tube bundle.
Claim 24
Dependent Claim
29 words
A lance reciprocating and rotating construction as set forth in claim 19 including means for varying the rate of rotation and the speed of axial movement of said lance.
Claim 25
Dependent Claim
34 words
A lance reciprocating and rotating construction as set forth in claim 19 wherein said lance-engaging means comprises wheel means, and lance guide means positioned between said wheel means and the entrance of said tube.
Claim 26
Dependent Claim
35 words
A lance reciprocating and rotating construction as set forth in claim 19 including a lance for engagement by said lance-engaging means, and tip means on said lance for applying resistance to movement of said lance.
Claim 27
Dependent Claim
86 words
A frame for mounting a lance advancing mechanism comprising frame means, attachment means for attaching said frame means relative to the end plate of a tube bundle, a carriage for mounting a lance advancing mechanism for advancing a lance, means on said frame means for mounting said carriage for movement transversely of said end plate, and indexing means on said carriage laterally spaced from said lance for entering an aperture associated with said tube bundle to thereby align said lance with a tube to be cleaned.
Claim 28
Dependent Claim
86 words
A frame for mounting a lance advancing mechanism comprising frame means, attachment means for attaching said frame means relative to the end plate of a tube bundle, a carriage for mounting a lance advancing mechanism for advancing a lance, means on said frame means for mounting said carriage for movement transversely of said end plate, and indexing means on said carriage laterally spaced from said lance for entering an aperture associated with said tube bundle to thereby align said lance with a tube to be cleaned.
Claim 29
Dependent Claim
24 words
A frame for mounting a lance advancing mechanism as set forth in claim 23 wherein said aperture comprises a tube in said tube bundle.
Claim 30
Dependent Claim
42 words
A frame for mounting a lance advancing mechanism as set forth in claim 24 including means for adjusting the position of said indexing means on said carriage to effect alignment for different tube bundles having different spacing between the respective tubes thereof.
Claim 31
Dependent Claim
135 words
A frame for mounting a lance advancing mechanism comprising frame means, clamp means for attaching said frame means to the rim of an end plate of a tube bundle, a carriage for mounting a lance advancing mechanism, means on said frame means for mounting said carriage for movement transversely of said end plate, intermediate connecting means connecting said frame means to said clamp means, said frame means comprising first and second spaced racks, and said intermediate connecting means comprising first plate means and second plate means, said first and second plate means having first and second spaced portions, said first portions of said first and second plate means being rigidly connected to said first and second racks, respectively, and said second portions of said first and second plate means being mounted on said clamp means.
Claim 32
Dependent Claim
135 words
A frame for mounting a lance advancing mechanism comprising frame means, clamp means for attaching said frame means to the rim of an end plate of a tube bundle, a carriage for mounting a lance advancing mechanism, means on said frame means for mounting said carriage for movement transversely of said end plate, intermediate connecting means connecting said frame means to said clamp means, said frame means comprising first and second spaced racks, and said intermediate connecting means comprising first plate means and second plate means, said first and second plate means having first and second spaced portions, said first portions of said first and second plate means being rigidly connected to said first and second racks, respectively, and said second portions of said first and second plate means being mounted on said clamp means.
Claim 33
Dependent Claim
31 words
A frame for mounting a lance advancing mechanism as set forth in claim 26 wherein a plurality of clamp means are attached to each of said first and second plate means.
Claim 34
Dependent Claim
82 words
A frame for mounting a lance advancing mechanism comprising frame means, clamp means for attaching said frame means to the rim of an end plate of a tube bundle, a carriage for mounting a lance advancing mechanism, means on said frame means for mounting said carriage for movement transversely of said end plate, and universal connection means between said clamp means and said frame means to permit said frame means to be moved to a desired position relative to said tube bundle.
Claim 35
Dependent Claim
82 words
A frame for mounting a lance advancing mechanism comprising frame means, clamp means for attaching said frame means to the rim of an end plate of a tube bundle, a carriage for mounting a lance advancing mechanism, means on said frame means for mounting said carriage for movement transversely of said end plate, and universal connection means between said clamp means and said frame means to permit said frame means to be moved to a desired position relative to said tube bundle.
Claim 36
Dependent Claim
77 words
A lance reciprocating and rotating mechanism comprising base means, spaced wheel means on said base means for engaging a lance, first motor means for driving said wheel means to advance said lance axially, second motor means for causing said wheel means to revolve about the axis of said lance for rotating said lance, means for attaching said base means relative to a tube-to-be-cleaned, and means positioned immediately adjacent said tube-to-be-cleaned for guiding said lance into said tube.
Claim 37
Dependent Claim
77 words
A lance reciprocating and rotating mechanism comprising base means, spaced wheel means on said base means for engaging a lance, first motor means for driving said wheel means to advance said lance axially, second motor means for causing said wheel means to revolve about the axis of said lance for rotating said lance, means for attaching said base means relative to a tube-to-be-cleaned, and means positioned immediately adjacent said tube-to-be-cleaned for guiding said lance into said tube.
Claim 38
Dependent Claim
76 words
A frame for mounting a lance advancing mechanism comprising frame means, clamp means for attaching said frame means to the rim of an end plate of a tube bundle, a carriage for mounting a lance advancing mechanism, means on said frame means for mounting said carriage for movement transversely of said end plate, and intermediate connecting means connecting said frame means to said clamp means, said intermediate connecting means being pivotally mounted on said clamp means.
Claim 39
Dependent Claim
76 words
A frame for mounting a lance advancing mechanism comprising frame means, clamp means for attaching said frame means to the rim of an end plate of a tube bundle, a carriage for mounting a lance advancing mechanism, means on said frame means for mounting said carriage for movement transversely of said end plate, and intermediate connecting means connecting said frame means to said clamp means, said intermediate connecting means being pivotally mounted on said clamp means.
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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) | 1981-06-19 | 1981-12-19 | 1982-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-19 | 1985-12-19 | 1986-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-19 | 1989-12-19 | 1990-06-20 | $7700.00 | Window Closed / Lapsed |