GB768615A - Improvements in or relating to inlet silencers for internal combustion engines - Google Patents
Improvements in or relating to inlet silencers for internal combustion enginesInfo
- Publication number
- GB768615A GB768615A GB11164/55A GB1116455A GB768615A GB 768615 A GB768615 A GB 768615A GB 11164/55 A GB11164/55 A GB 11164/55A GB 1116455 A GB1116455 A GB 1116455A GB 768615 A GB768615 A GB 768615A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- engine
- inlet
- chamber
- pipe
- 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
Links
- 238000002485 combustion reaction Methods 0.000 title 1
- 238000013016 damping Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000010349 pulsation Effects 0.000 abstract 1
- 230000003584 silencer Effects 0.000 abstract 1
- 229920003051 synthetic elastomer Polymers 0.000 abstract 1
- 239000005061 synthetic rubber Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/14—Combined air cleaners and silencers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1205—Flow throttling or guiding
- F02M35/1222—Flow throttling or guiding by using adjustable or movable elements, e.g. valves, membranes, bellows, expanding or shrinking elements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
768,615. Inlet silencers. WILMAN, S. April 18, 1955 [April 20, 1954], No. 11164/55. Class 7 (2). In an inlet silencer, for an I.C. engine and for damping out the noise produced by the pulsations of the induced air, comprising a casing divided by at least one resilient sounddamping diaphragm 5 into two chambers 6, 7, both chambers communicate with the atmosphere but the chamber 6 also communicates with the air inlet of the engine. The displacement of the diaphragm compensates at least partly the vacuum created at the air inlet and by the induction stroke of the engine. As shown in Fig. 1, the diaphragm 5, of synthetic rubber or other oil and petrol-resistant material, is corrugated and clamped by the peripheral edge thereof between the flanges 3, 4 formed on the cup-shaped shells 1, 2 comprising the casing. The chamber 6 is connected by a pipe 10 to the engine carburetter and by a pipe 11 to atmosphere; an air filter and a check valve may be fitted to the pipe 11. A number of holes 12 are provided in the wall of the chamber 7. In a modification, there are three diaphragms 13, 14 and 15, Fig. 2, the diaphragm 14 having a central hole 16, and the diaphragm 15 being provided with a number of holes 17 the aggregate cross-sectional area of which is greater than that of the hole 16.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR768615X | 1954-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB768615A true GB768615A (en) | 1957-02-20 |
Family
ID=9184318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11164/55A Expired GB768615A (en) | 1954-04-20 | 1955-04-18 | Improvements in or relating to inlet silencers for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB768615A (en) |
-
1955
- 1955-04-18 GB GB11164/55A patent/GB768615A/en not_active Expired
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