US3620233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter press with cleaning apparatus
Assignee: Aqseptence Group GmbH
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Filing: 1970-07-08
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Granted: 1971-11-16
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Expires: 1990-07-08
Abstract
Abstract A cleaning device for a filter press. A spray tube is mounted on a carriage beneath the filter plates, the carriage being movable lengthwise of the filter press and including a device to lift and lower the spray tube between a lowered position and a raised position, the spraying tube being located in the raised position between filter plates to clean the same. The carriage may ride along the side bars of the filter press or it may ride along the top of a cake-catching basin located beneath the filter plates.
Inventors
- 👤 Oswald Busse
- 👤 Hugo Klesper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:04
CPC Classifications
B; B01; B01D; B01D25/00; B01D25/32; B01D25/322; B01D25/38
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
82 words
A cleaning apparatus for a filter press of the type having a plurality of filter plates, comprising, a spraying means for spraying washing liquid onto the filter plates, said spraying means being located beneath said filter plates, and a lifting device also located beneath the filter plates for raising and lowering the spraying means at least between a lower position beneath the plates and a raised position between the filter plates for spraying the surfaces of the filter plates to be cleaned.
Claim 2
Dependent Claim
82 words
A cleaning apparatus for a filter press of the type having a plurality of filter plates, comprising, a spraying means for spraying washing liquid onto the filter plates, said spraying means being located beneath said filter plates, and a lifting device also located beneath the filter plates for raising and lowering the spraying means at least between a lower position beneath the plates and a raised position between the filter plates for spraying the surfaces of the filter plates to be cleaned.
Claim 3
Dependent Claim
33 words
An apparatus according to claim 1, wherein said filter plates are arranged side-by-side along a lengthwise direction, and said spraying means is mounted for movement along said lengthwise direction beneath the filter plates.
Claim 4
Dependent Claim
38 words
An apparatus according to claim 2, including a carriage mounted beneath the filter plates and movable in said lengthwise direction, the said spraying means and the said lifting device being mounted on the carriage for lengthwise movement therewith.
Claim 5
Dependent Claim
37 words
An apparatus according to claim 3, including a basin beneath the filter press for catching filter cakes released from the filter press, and wherein said carriage is guided along said basin for movement in said lengthwise direction.
Claim 6
Dependent Claim
31 words
An apparatus according to claim 4, in which the rim of the upper opening of said basin is designed as a track for receiving the said carriage for lengthwise movement therealong.
Claim 7
Dependent Claim
46 words
An apparatus according to claim 5, in which said carriage includes first rolling means for engaging said track of the basin for movement therealong and second rolling means engaging the inside of the basin adjacent said track for guiding the said carriage in said lengthwise movement.
Claim 8
Dependent Claim
36 words
An apparatus according to claim 4, including switching means mounted on said basin in positions to be engaged by said carriage as the carriage moves along said basing basin controlling the operation of said lifting device.
Claim 9
Dependent Claim
57 words
An apparatus according to claim 3, wherein said filter press includes a pair of side bars extending in said lengthwise direction on each side of said filter plates, and wherein said carriage includes means engaging said bars such that the weight of the carriage is supported by said bars as the carriage moves in said lengthwise direction.
Claim 10
Dependent Claim
27 words
An apparatus according to claim 8, including guide means on said carriage engaging said side bars for guiding the carriage as it moves along said lengthwise direction.
Claim 11
Dependent Claim
45 words
An apparatus according to claim 3, including a swinging arm attached to said carriage and extending out to the side of said carriage relative to said lengthwise direction, said arm being positioned to be engaged for manual movement of said carriage along said lengthwise direction.
Claim 12
Dependent Claim
33 words
An apparatus according to claim 10, including switching means on said swinging arm for controlling movement of the said lifting device and for controlling the introduction of cleaning liquid into said spraying means.
Claim 13
Dependent Claim
15 words
An apparatus according to claim 1, wherein said lifting device is a telescopic hydraulic cylinder.
Claim 14
Dependent Claim
16 words
An apparatus according to claim 1, wherein said lifting device comprises a set of telescoping spindles.
Claim 15
Dependent Claim
26 words
An apparatus according to claim 1, wherein said lifting device comprises a set of levers mounted for pivoting movement for raising and lowering the spraying means.
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) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |