US1019548A - Suction device for dust-laden air. - Google Patents
Suction device for dust-laden air. Download PDFInfo
- Publication number
- US1019548A US1019548A US66029411A US1911660294A US1019548A US 1019548 A US1019548 A US 1019548A US 66029411 A US66029411 A US 66029411A US 1911660294 A US1911660294 A US 1911660294A US 1019548 A US1019548 A US 1019548A
- Authority
- US
- United States
- Prior art keywords
- dust
- piece
- tube
- elbow tube
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
Definitions
- This invention relates to dust suction apparatus of that class in which ajet of steam or .fluid under pressure is blown. into an elbow-shaped tubecommunicating at one lendwith the dust collecting chamber.
- the elbow tube is enlarged at that part so that thereis a sutlicient distance betweenthe jet blown out. from the nozzle and the wall of the elbow tube to secure the formation of an air cushion concentric with the jet of steam or fluid under pressure which cushion prevents the particles of dust and other impurities from striking violently against the said piece.
- FIG. 1 is a longitudinal section
- Fig. 2 is a transverse section
- Fig. 3 a plan-of an apparatus embodying this invention.
- a is the elbow tube, 1; is a branch of the tube a for receiving the nozzle 0.
- the branch 6 is cut away at its upper side so as to serve as a seat a for the' piece (1 of the wall of the elbow tube such portion being of pici tlv t a 1 Patented M ar. 5.1912:
- the piece 6 is then brought into position and the ends of the packing cord ln'ojectingabove the sameare laidon its top and are compressed on screwing down the cover. Owing to this arrangement of the packing material the piece b may be readily removed and replaced by a fresh one. Nevertheless itso tightly fits the elbow tube that no suction can take place through the front joint :12 to the rear joint 0: by-the action of the steam jet blown out from the nozzle 6.
- the elbow tube is enlarged atthis part so that the space an already mentioned is formed which is also subject to the suction effectof the jet issuing from the/nozzle c.
- This space is therefore constantly filled with air which surrounds the issuing jet and ther by protects the part of the elbow tube against the violent action of the dust and other impurities contained tube in front of such nozzle a piece loosely" fitting such opening and means for holding such piece inpo'sition on the elbow tube,
- suction device for dust laden air the combination of an elbow tube, a nozzle for fluid under pressure having its issuing end in thewall of the elbow tube and being substantially coaxial with the issuing end of the elbow tube, a rectangular opening in the elbow tube in front of such nozzle, a rectangular piece loosely fitting such 'openpacking cords inserted into the corners of the said; opening and having their ends 18.1d on top of the said piece, a cover and means for pressing thecover. against the topof the said piece, substantially as and for the purpose described.
Description
K. SPITZER.
SUGTION DEVICE-FOR DUST LADEN AIR.
APPLIOATION FILED 110114, 1911.
Patented M21125; 1912.
las s:
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Belit known, th'atI,:KAm..SPrrz1-m, a sub ject of the Emperor ctr-histria-Hungary,
residing at Vienna, Empire of. Austria- Hungary, have invented ;ce'rtain new and useful Improvements ifi Suction Devices for Dust-Laden Air; and-I dojhereby declare the following to h esaslgulll, clear, and exact description ofthejiiivei'ition, such as: will enable others -skilledin the art to which it appertains to make and use the same. This invention relates to dust suction apparatus of that class in which ajet of steam or .fluid under pressure is blown. into an elbow-shaped tubecommunicating at one lendwith the dust collecting chamber. and
connected at its other end with the mouth piece sucking up' the dust. In apparatus of this class the current of air carrying with 'it dust and other impurities strikes against the wall of the tube a short distance in front of the nozzle from which the jet,0f steam I or fluid under pressure is blown. This causes an excessive wear of the elbow tube at the said place so that this tube is so in-' jui'ed at that point,-that it must be replaced by anew one. Such exchange, howeveriiis expensive. This inconvenience is avoided according tothe present invention by removing that part of the elbow tube against which the dust strikes and replacing it by a readily exchangeable piece forming part of the wall of the tube, such piece being so,
constructed that it does not interfere withthe proper movement of .the air and that there can be no leakage atthis part of the elbow tube. For protecting this part of the elbow tube against too rapid wear the elbow tube is enlarged at that part so that thereis a sutlicient distance betweenthe jet blown out. from the nozzle and the wall of the elbow tube to secure the formation of an air cushion concentric with the jet of steam or fluid under pressure which cushion prevents the particles of dust and other impurities from striking violently against the said piece. 4
In the annexed drawing Figure 1 is a longitudinal section, Fig. 2 is a transverse section and Fig. 3 a plan-of an apparatus embodying this invention.
a is the elbow tube, 1; is a branch of the tube a for receiving the nozzle 0. The branch 6 is cut away at its upper side so as to serve as a seat a for the' piece (1 of the wall of the elbow tube such portion being of pici tlv t a 1 Patented M ar. 5.1912:
rectangular-shape iniplziiiview. "lhe piecef (l is held' in posltio'n'onfthe seat a by means facilitating the removal of the piece itfits the branch b with some play. For tightly of a 'cover f,' yokes g and screws h. For,
closing the joiiits'at'the ends of the piece packing material such as asbestos cords is placed at k into the cornersof the opening in the branch. For this purpose the upright edges of the piece I) are beveled. The
piece 6 is then brought into position and the ends of the packing cord ln'ojectingabove the sameare laidon its top and are compressed on screwing down the cover. Owing to this arrangement of the packing material the piece b may be readily removed and replaced by a fresh one. Nevertheless itso tightly fits the elbow tube that no suction can take place through the front joint :12 to the rear joint 0: by-the action of the steam jet blown out from the nozzle 6.
For reducing the detrimental eflect of the dust on that portion of the elbow tube which would be struck by the dust owing to the curvature of the tube the elbow tube is enlarged atthis part so that the space an already mentioned is formed which is also subject to the suction effectof the jet issuing from the/nozzle c. This space is therefore constantly filled with air which surrounds the issuing jet and ther by protects the part of the elbow tube against the violent action of the dust and other impurities contained tube in front of such nozzle a piece loosely" fitting such opening and means for holding such piece inpo'sition on the elbow tube,
substantially as andlfor the purpose described.
2. In suction device for dust laden air the combination of an elbow tube, a nozzle for fluid under pressure having its issuing end in thewall of the elbow tube and being substantially coaxial with the issuing end of the elbow tube, a rectangular opening in the elbow tube in front of such nozzle, a rectangular piece loosely fitting such 'openpacking cords inserted into the corners of the said; opening and having their ends 18.1d on top of the said piece, a cover and means for pressing thecover. against the topof the said piece, substantially as and for the purpose described.
3.-In suction device for dust laden air the combination of an elbow tu'bea nozzle for fluid under pressure having its issuing end in the wall of the elbow tube and being substantially coaxial-with the issuing end of'the elbow tube, a rectangular openmg'in the elbow tube in front of such noz'zle,;a.
rectangular piece loosely fitting such opening,'.the bottom side of such rectangular piece being provided with a. semicylindrical recess substantiallycoaxial the nozzle, the radius of such recess being ater than the radius of the end 0 the nozzle and the'rear end of'the said pi in substantially the same plane as e 1ssumg end'of the nozzle and means f r holding such pieceinpos ition on the el ow tube, substantially as and for the purpose described; 1
In testimony whefeofi; l aflix 'nij signa
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66029411A US1019548A (en) | 1911-11-14 | 1911-11-14 | Suction device for dust-laden air. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66029411A US1019548A (en) | 1911-11-14 | 1911-11-14 | Suction device for dust-laden air. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1019548A true US1019548A (en) | 1912-03-05 |
Family
ID=3087847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US66029411A Expired - Lifetime US1019548A (en) | 1911-11-14 | 1911-11-14 | Suction device for dust-laden air. |
Country Status (1)
Country | Link |
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US (1) | US1019548A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3977730A (en) * | 1973-09-18 | 1976-08-31 | Steag Aktiengesellschaft | Junction elements for pneumatic conveyor pipes |
US4149828A (en) * | 1976-01-15 | 1979-04-17 | Industrie Patente Anstalt | Apparatus for removing dust from aeriform substances |
-
1911
- 1911-11-14 US US66029411A patent/US1019548A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3977730A (en) * | 1973-09-18 | 1976-08-31 | Steag Aktiengesellschaft | Junction elements for pneumatic conveyor pipes |
US4149828A (en) * | 1976-01-15 | 1979-04-17 | Industrie Patente Anstalt | Apparatus for removing dust from aeriform substances |
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