IT1079440B - Pompa idraulica azionata a fluido dotata di mezzi per la riduzione del rumore - Google Patents
Pompa idraulica azionata a fluido dotata di mezzi per la riduzione del rumoreInfo
- Publication number
- IT1079440B IT1079440B IT50652/77A IT5065277A IT1079440B IT 1079440 B IT1079440 B IT 1079440B IT 50652/77 A IT50652/77 A IT 50652/77A IT 5065277 A IT5065277 A IT 5065277A IT 1079440 B IT1079440 B IT 1079440B
- Authority
- IT
- Italy
- Prior art keywords
- hydraulic pump
- noise reduction
- reduction means
- fluid operated
- pump equipped
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
- F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
- F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
- F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
- F01L25/066—Arrangements with main and auxiliary valves, at least one of them being fluid-driven piston or piston-rod being used as auxiliary valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B11/00—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
- F01B11/007—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type in which the movement in only one direction is obtained by a single acting piston motor, e.g. with actuation in the other direction by spring means
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/001—Gas flow channels or gas chambers being at least partly formed in the structural parts of the engine or machine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
- F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
- F04B9/127—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting elastic-fluid motor, e.g. actuated in the other direction by gravity or a spring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Details Of Reciprocating Pumps (AREA)
- Exhaust Silencers (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/717,761 US4093406A (en) | 1976-08-25 | 1976-08-25 | Fluid operated hydraulic pump including noise reduction means |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1079440B true IT1079440B (it) | 1985-05-13 |
Family
ID=24883371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50652/77A IT1079440B (it) | 1976-08-25 | 1977-08-11 | Pompa idraulica azionata a fluido dotata di mezzi per la riduzione del rumore |
Country Status (11)
Country | Link |
---|---|
US (1) | US4093406A (it) |
JP (1) | JPS6047448B2 (it) |
AU (1) | AU505991B2 (it) |
BR (1) | BR7705350A (it) |
CA (1) | CA1061642A (it) |
DE (1) | DE2738178A1 (it) |
FR (1) | FR2362998A1 (it) |
GB (1) | GB1547676A (it) |
IT (1) | IT1079440B (it) |
MX (1) | MX4331E (it) |
SE (1) | SE432282B (it) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4500264A (en) * | 1982-06-04 | 1985-02-19 | M&T Chemicals Inc. | Air operated diaphragm pump system |
US4583920A (en) * | 1983-12-28 | 1986-04-22 | M&T Chemicals Inc. | Positive displacement diaphragm pumps employing displacer valves |
US4645431A (en) * | 1984-03-30 | 1987-02-24 | Sigma Enterprises, Inc. | Hydraulic pumping apparatus and method of operation |
JPS6151495A (ja) * | 1984-08-14 | 1986-03-13 | 株式会社ヤスヰ | 圧縮空気駆動式油圧ジヤツキの消音装置 |
US5371828A (en) * | 1991-08-28 | 1994-12-06 | Mks Instruments, Inc. | System for delivering and vaporizing liquid at a continuous and constant volumetric rate and pressure |
CA2118979C (en) * | 1993-03-18 | 2003-02-25 | Spencer M. Nimberger | Sampling pump |
US5674055A (en) * | 1994-05-16 | 1997-10-07 | Pgi International, Ltd. | Piston sealing arrangement for a sampling pump system |
US5626467A (en) * | 1996-04-04 | 1997-05-06 | Teledyne Industries, Inc. | Modular pump |
GB2341648B (en) * | 1996-04-04 | 2000-07-19 | Teledyne Ind | Modular pump |
DE19860466C1 (de) * | 1998-12-28 | 2000-06-29 | Schmidt & Co Gmbh Kranz | Pneumatisch angetriebene Hydraulikpumpe |
US6910542B1 (en) * | 2001-01-09 | 2005-06-28 | Lewal Drilling Ltd. | Acoustic flow pulsing apparatus and method for drill string |
US8424848B1 (en) * | 2003-06-16 | 2013-04-23 | Melvin L. Hawkins, Jr. | Vehicle jack for use on vehicles to change tires and for other purposes |
US8197231B2 (en) | 2005-07-13 | 2012-06-12 | Purity Solutions Llc | Diaphragm pump and related methods |
FR2922274B1 (fr) * | 2007-10-12 | 2009-12-04 | Jtekt Hpi | Agencement de pompe hydraulique a engrenage externe et pourvue de moyens d'isolation acoustique |
US9610392B2 (en) | 2012-06-08 | 2017-04-04 | Fresenius Medical Care Holdings, Inc. | Medical fluid cassettes and related systems and methods |
DE102013226131A1 (de) * | 2013-12-16 | 2015-06-18 | Skf Lubrication Systems Germany Ag | Kolbenpumpenvorrichtung |
DE102013226129A1 (de) * | 2013-12-16 | 2015-06-18 | Skf Lubrication Systems Germany Ag | Kolbenpumpenvorrichtung |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1246196A (en) * | 1915-08-05 | 1917-11-13 | Gen Electric | Muffler. |
US1342464A (en) * | 1919-12-02 | 1920-06-08 | Frank P Sawders | Muffler |
US1997298A (en) * | 1932-05-31 | 1935-04-09 | Curtiss Aeroplane & Motor Co | Muffler |
US2062141A (en) * | 1935-07-17 | 1936-11-24 | Newman Joseph | Muffler |
US2244060A (en) * | 1940-05-16 | 1941-06-03 | Ingersoll Rand Co | Silencer for rock drills |
US2774439A (en) * | 1954-09-28 | 1956-12-18 | Sears Roebuck & Co | Muffler for lawn mower |
US3041975A (en) * | 1960-05-26 | 1962-07-03 | Applied Power Ind Inc | Fluid actuated hydraulic power unit |
GB1009380A (en) * | 1961-08-19 | 1965-11-10 | Mads Clausen | Improvements in or relating to piston-type motor-driven compressors |
US3138910A (en) * | 1963-04-17 | 1964-06-30 | Jacobsen Mfg Co | Rotary mower engine muffler |
FR1391951A (fr) * | 1964-01-29 | 1965-03-12 | Merlin Gerin | Perfectionnements aux dispositifs d'échappement insonorisé pour disjoncteurs à gaz comprimé |
US3332504A (en) * | 1964-05-18 | 1967-07-25 | James V Lowery | Impact tool |
US3802804A (en) * | 1967-07-21 | 1974-04-09 | March Mfg Co | Magnetically coupled pump structure |
US3788781A (en) * | 1972-03-17 | 1974-01-29 | Owatonna Tool Co | Hydraulic system |
-
1976
- 1976-08-25 US US05/717,761 patent/US4093406A/en not_active Expired - Lifetime
-
1977
- 1977-07-29 AU AU27443/77A patent/AU505991B2/en not_active Expired
- 1977-08-03 CA CA283,991A patent/CA1061642A/en not_active Expired
- 1977-08-10 GB GB33516/77A patent/GB1547676A/en not_active Expired
- 1977-08-11 IT IT50652/77A patent/IT1079440B/it active
- 1977-08-12 BR BR7705350A patent/BR7705350A/pt unknown
- 1977-08-18 SE SE7709324A patent/SE432282B/xx not_active IP Right Cessation
- 1977-08-23 MX MX77100681U patent/MX4331E/es unknown
- 1977-08-24 DE DE19772738178 patent/DE2738178A1/de not_active Withdrawn
- 1977-08-24 FR FR7725869A patent/FR2362998A1/fr not_active Withdrawn
- 1977-08-25 JP JP52102172A patent/JPS6047448B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
MX4331E (es) | 1982-03-25 |
CA1061642A (en) | 1979-09-04 |
US4093406A (en) | 1978-06-06 |
FR2362998A1 (fr) | 1978-03-24 |
JPS5327116A (en) | 1978-03-14 |
SE432282B (sv) | 1984-03-26 |
JPS6047448B2 (ja) | 1985-10-22 |
SE7709324L (sv) | 1978-02-26 |
AU2744377A (en) | 1979-02-01 |
BR7705350A (pt) | 1978-05-23 |
AU505991B2 (en) | 1979-12-06 |
GB1547676A (en) | 1979-06-27 |
DE2738178A1 (de) | 1978-03-02 |
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