US452020A - Muffler - Google Patents
Muffler Download PDFInfo
- Publication number
- US452020A US452020A US452020DA US452020A US 452020 A US452020 A US 452020A US 452020D A US452020D A US 452020DA US 452020 A US452020 A US 452020A
- Authority
- US
- United States
- Prior art keywords
- muffler
- steam
- walls
- jets
- chamber
- 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
Links
- 238000010276 construction Methods 0.000 description 6
- 210000001364 Upper Extremity Anatomy 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7738—Pop valves
Definitions
- the object of this invention is to provide an improved means for muffling escaping steam, which will effectually prevent the noise ordinarily caused thereby.
- I-Ieretofore this object has been accomplished to some extent by dividing the escaping steam into numerous smaller streams or jets, this being accomplished by providing as the only outlets from the steam pipe or chamber small openings or passage-ways intended to prevent the escape of noisome sounds.
- the desired result has been by no means perfectly attained.
- Figure 1 is a sectional elevation of my muffler attached to the safety or puppet valve of a boiler.
- Fig. 2 is a section on the line so ac, Fig. 1.
- valve B being seated upon and guided in a hollow standard A, attached to or forming part of the dome-cap of a steam-boiler, and the spring D being strung upon the stem 0 and adapted to press the valve against its seat in a well-known manner.
- the cylindrical oasin g by means of which the strain carried by the spring D is conveyed to the fixed standard A, is adapted to serve also as a muflier and as a means of regulating the pressure at which the valve will lift, being attached to the hollow standard by means of a screw- This muffler-casing is repthreaded end c.
- a muffler consisting of an inverted-cup- Vitnesses: shaped part having perforated double walls WV. G. STEWART,
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Description
(No Model.)
S. F. PRINCE, Jr
MUFFLER.
No. 452,020. Patented May 12, 1891.
wi/tmaooeo UNITED STATES PATENT OFFICE.
SAMUEL F. PRINCE, JR, OF READING, PENNSYLVANIA.
MUFFLER.
SPECIFICATION forming part of Letters Patent No. 452,020, dated May 12, 1891.
Application filed February 19,1891. Serial No. 382,094. (No model.)
To aZZ whom it may concern.-
Be it known that I, SAMUEL F. PRINCE, Jr., acitizen of the United States, residing at Reading, in the county of Berks, State of Pennsylvania, haveinvented certain Improvements in Mufiiers, of which the following isa specification.
The object of this invention is to provide an improved means for muffling escaping steam, which will effectually prevent the noise ordinarily caused thereby. I-Ieretofore this object has been accomplished to some extent by dividing the escaping steam into numerous smaller streams or jets, this being accomplished by providing as the only outlets from the steam pipe or chamber small openings or passage-ways intended to prevent the escape of noisome sounds. The desired result, however, has been by no means perfectly attained.
In my invention, in addition to subdividing the escaping steam, as described, I arrange the small jets so that they discharge in opposite directions into a common outletchamber, thus breaking each jet and destroying its noise-producing power by its violent contact with another jet or jets before its final escape. The accompanying drawings show a preferred construction involving this principle.
Figure 1 is a sectional elevation of my muffler attached to the safety or puppet valve of a boiler. Fig. 2 is a section on the line so ac, Fig. 1.
The general construction and arrangement illustrated in the drawings are common, the valve B being seated upon and guided in a hollow standard A, attached to or forming part of the dome-cap of a steam-boiler, and the spring D being strung upon the stem 0 and adapted to press the valve against its seat in a well-known manner. The cylindrical oasin g by means of which the strain carried by the spring D is conveyed to the fixed standard A, is adapted to serve also as a muflier and as a means of regulating the pressure at which the valve will lift, being attached to the hollow standard by means of a screw- This muffler-casing is repthreaded end c.
resented as constructed in two parts E and F, the outer part or casing proper E being separably connected to the inner or muffier part F at its upper extremity. This part F incloses, loosely, the spring D, the upper end of which presses against its interior flange f and is provided with double walls ff, forming between them an annular chamber G, which is widely open at the top. Between the outer wall f and the outer casing E is another annular space .H, closed at the top and communicating, as does also the central recess for the spring D, with the steam-supply when the valve B is lifted. The walls f f are provided with numerous perforations g,which are drilled radially through both walls before the outer casing E is secured to the part F, as shown.
When in operation, upon the valveB opening the escaping steam rises into the mufflercasing and fills the unoccupied central space inclosed by the inner wall f and also the annular outer space H. Being compelled to find an outlet through the perforations g in the walls f and f, respectively, it is divided into numerous small jets, of which those passing through the outer wall f are directed toward the center, while those passing through the adjacent inner wall f discharge in the opposite direction. The result is that each separate jet is brought in conflict in the chamber G with an opposing jet, and its force is thereby broken and the noise-producing tendency of the combined jets effectually destroyed before the final exit through the open top of the chamber.
Though the construction just described embodies my invention in a thoroughly practical and satisfactory shape, it is not limited to this particular form of apparatus 5 but What I claim is 1. A muffier formed with steam-chambers and a narrow outlet-chamber between them having substantially parallel partition-walls provided with small apertures, as described, whereby the oppositely-discharging jets are brought .in direct conflict before being deflected, substantially as and for the purpose set forth.
2. A inufiier formed with an open annular a casing E, removably secured thereto, subchainber located between communicating instantially as set forth. 10 side and outside steam-chambers and having In testimony whereof I affix my signature in opposite perforations in the partition-walls, presence of two witnesses.
5 substantially as set forth. SAML. F. PRINCE, JR.
3. A muffler consisting of an inverted-cup- Vitnesses: shaped part having perforated double walls WV. G. STEWART,
with an open top chamber between them and CAMERON E. STRAUSS.
Publications (1)
Publication Number | Publication Date |
---|---|
US452020A true US452020A (en) | 1891-05-12 |
Family
ID=2520901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US452020D Expired - Lifetime US452020A (en) | Muffler |
Country Status (1)
Country | Link |
---|---|
US (1) | US452020A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2880750A (en) * | 1954-04-01 | 1959-04-07 | Bendix Aviat Corp | Valve |
US20060266580A1 (en) * | 2005-05-27 | 2006-11-30 | Harry Seiler | Muffler for an exhaust system and manufacturing method for same |
US7159692B1 (en) * | 1999-10-11 | 2007-01-09 | Silentor Holding A/S | Silencer |
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0
- US US452020D patent/US452020A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2880750A (en) * | 1954-04-01 | 1959-04-07 | Bendix Aviat Corp | Valve |
US7159692B1 (en) * | 1999-10-11 | 2007-01-09 | Silentor Holding A/S | Silencer |
US20060266580A1 (en) * | 2005-05-27 | 2006-11-30 | Harry Seiler | Muffler for an exhaust system and manufacturing method for same |
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