EP0147063B1 - Compresseur avec embrayage - Google Patents
Compresseur avec embrayage Download PDFInfo
- Publication number
- EP0147063B1 EP0147063B1 EP19840308173 EP84308173A EP0147063B1 EP 0147063 B1 EP0147063 B1 EP 0147063B1 EP 19840308173 EP19840308173 EP 19840308173 EP 84308173 A EP84308173 A EP 84308173A EP 0147063 B1 EP0147063 B1 EP 0147063B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressor
- clutch
- shaft
- bearing
- assembly
- 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
- 238000010276 construction Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Images
Classifications
-
- 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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/022—Stopping, starting, unloading or idling control by means of pressure
Definitions
- This invention relates to compressor assemblies and relates more particularly to an air compressor assembly incorporating a clutch on the drive shaft thereof.
- a compressor assembly including a housing having a rotatable input shaft for connection to a prime mover said shaft running in a first outer bearing in the housing and wherein the input part is embraced by a multiplace clutch output part drivingly located on the compressor crankshaft and the present invention is concerned with the provision of improved support length for the input shaft in such an assembly.
- a compressor assembly including a housing have a rotatable input shaft for connection to a prime mover, said shaft running in a first outer bearing in the housing and incorporating inwardly thereof an input part of a multi plate clutch said input part being embraced by an output assembly of the clutch driveably located on a compressor shaft and characterised in that said input part has an axial recess accommodating retaining means for a clutch output part on the compressor shaft and also that inwardly of the retaining means on the compressor shaft a bearing about which the inner end of the input part is rotatable on the compressor shaft in a disengaged condition of said clutch.
- the compressor has a cast metal housing in the form of a combined crankcase and cylinder denoted by reference 1, the cylinder being provided with a valve plate 2 containing the necessary valves cooperating with a cylinder head 3 with suitable inlet and output ports, the details of which are of no consequence in relation to the present invention and may be of a suitable construction.
- the compressor is provided with a piston 4 and a connecting rod 5 for effecting reciprocation of the piston 4 in the bore 6 of the cylinder by virtue of rotation of a crankshaft 7 the free end of which runs in a bush 8 in an end plate 9 on one end of the crankcase.
- crankcase The other end of the crankcase is provided with a generally cylindrical integrally cast extension 10 which houses a clutch assembly via which the crankshaft is driven by a rotatable input shaft portion 11 which runs in a ball bearing 12 captive in a further end plate 13 on this end of the housing.
- the outer end of the shaft 11 is provided with a key-way 14 and suitable fixing means for mounting a gear wheel for engagement with a gear train of an internal combustion engine for driving the compressor.
- the input shaft 11 is integral with an input part 15 of a multi-plate clutch this input part being coaxial with and embraced by an output part 16 of the clutch the output part being carried on a spline 17 on the crankshaft of the compressor.
- the input part 15 has splines 32 engageable with inward projections 30 of inner plates 31.
- the output part of the clutch comprises a part 18 in a cage with axial slots in which outward projection of outer clutch plates 29 are to locate.
- Part 18 is directly splined to the crankshaft at 17.
- Cooperable with the outer plates 29 of the clutch the cage 19 is urged into a clutch engaged position by a pair of annular disc springs 20.
- the clutch assembly is retained together by an internal circlip 21 located in the cage 19 for reacting the force of the disc springs 20 and pneumatically operable clutch release means in the form of an annular piston 22 is provided engageable with the cage 19 through a thrust member 23 in a sense to compress the springs 20 and release the clutch.
- Piston 22 is keyed against rotation by a locating pin 28.
- the main bearing of the compressor on the drive side is provided by a substantial ball race 24 and the inward end of the input shaft and clutch input member 15 is carried on a bearing 25 within a coaxial recess 33 of the input part 15.
- Fixing means for retaining the bearing on the crankshaft comprises a threaded end portion of the crankshaft carrying a suitable retaining nut to clamp bearing 24, part 18 and bearing 25 in position on the crankshaft.
- the compressor which includes the crankshaft, connecting rod and piston is first assembled together with the necessary valve plate and cylinder head components.
- the output member 16 of the clutch assembly is assembled as a separate unit with plates properly aligned following which the pneumatic release piston 22 is placed in position, the clutch assembly comprising the inner and outer plates and the disc spring 20 (retained together by virtue of the circlip 21) is placed onto the spline 17 on the crankshaft 7 followed by the bearing 25 and the fixing means including the retaining nut 26.
- the clutch assembly In operation of the assembly, in the absence of a suitable compressed air signal in the control passage 27 from a governor or control valve, the clutch assembly will be in the engaged condition and therefore full drive torque will be applied on the input shaft 11 through the clutch assembly to the crankshaft of the compressor which is therefore in a charging mode for charging compressed air storage reservoirs.
- the governor or control valve Upon attainment of a first predetermined compressed air pressure in the reservoirs, the governor or control valve will provide a pressure signal via the passage 27 to the release piston 22 which will thereby be urged leftwards to compress the disc springs 20 and quickly release the clutch.
- the compressor stops until at a second lower pressure the controlling pressure signal in passage 27 is again removed to reengage the clutch.
- any tendency for rotation of the piston 22 is prevented by a locating peg 28 which holds the piston 22 in a given position in relation to the housing.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08331867A GB2150238B (en) | 1983-11-29 | 1983-11-29 | Multi-plate clutch in compressor assembly |
GB8331867 | 1983-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0147063A1 EP0147063A1 (fr) | 1985-07-03 |
EP0147063B1 true EP0147063B1 (fr) | 1987-07-29 |
Family
ID=10552548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19840308173 Expired EP0147063B1 (fr) | 1983-11-29 | 1984-11-26 | Compresseur avec embrayage |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0147063B1 (fr) |
DE (1) | DE3465129D1 (fr) |
ES (1) | ES538092A0 (fr) |
GB (1) | GB2150238B (fr) |
IN (1) | IN160845B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4657127A (en) * | 1984-06-19 | 1987-04-14 | Baruffaldi Frizioni Spa | Clutch for linking a compressor with a drive means therefor |
GB2163223A (en) * | 1984-07-07 | 1986-02-19 | Bendix Ltd | Multi-plate clutch in compressor assembly |
ES2023819B3 (es) * | 1986-12-12 | 1992-02-16 | Bendix Ltd | Montaje compresor |
ITMI20021178A1 (it) * | 2002-05-31 | 2003-12-01 | Baruffaldi Spa | Dispositivo di trasmissione del moto con mezzi di sicurezza per lo sfiato del fluido in pressione di disinnesto del dispositivo stesso |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB525124A (en) * | 1939-02-14 | 1940-08-22 | Leonard Taylor | Improvements connected with fluid pressure operated friction clutches |
DE1273920B (de) * | 1964-06-02 | 1968-07-25 | Twin Disc Inc | Ein- und Ausrueckvorrichtung fuer eine druckfluessigkeitsbetaetigte Reibungskupplung |
US3424029A (en) * | 1966-08-01 | 1969-01-28 | Caterpillar Tractor Co | Power transmission |
GB1414061A (en) * | 1972-06-02 | 1975-11-12 | Tooth A D | Hydraulic power generating arrangement |
US3996817A (en) * | 1974-08-27 | 1976-12-14 | Caterpillar Tractor Co. | Transmission including dual input clutch assembly |
JPS5843613B2 (ja) * | 1979-07-02 | 1983-09-28 | 株式会社 アマダ | 湿式多板クラツチ |
DE3042069A1 (de) * | 1980-11-07 | 1982-06-16 | Knorr-Bremse GmbH, 8000 München | Ventilvorrichtung fuer eine pneumatisch gesteuerte kompressor-abschaltkupplung |
-
1983
- 1983-11-29 GB GB08331867A patent/GB2150238B/en not_active Expired
-
1984
- 1984-11-20 IN IN879/DEL/84A patent/IN160845B/en unknown
- 1984-11-26 DE DE8484308173T patent/DE3465129D1/de not_active Expired
- 1984-11-26 EP EP19840308173 patent/EP0147063B1/fr not_active Expired
- 1984-11-29 ES ES538092A patent/ES538092A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3465129D1 (en) | 1987-09-03 |
GB8331867D0 (en) | 1984-01-04 |
ES8507661A1 (es) | 1985-09-16 |
ES538092A0 (es) | 1985-09-16 |
IN160845B (fr) | 1987-08-08 |
EP0147063A1 (fr) | 1985-07-03 |
GB2150238B (en) | 1987-04-23 |
GB2150238A (en) | 1985-06-26 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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