GB704902A - Improvements in or relating to compressors for air or other gaseous fluid - Google Patents
Improvements in or relating to compressors for air or other gaseous fluidInfo
- Publication number
- GB704902A GB704902A GB1865551A GB1865551A GB704902A GB 704902 A GB704902 A GB 704902A GB 1865551 A GB1865551 A GB 1865551A GB 1865551 A GB1865551 A GB 1865551A GB 704902 A GB704902 A GB 704902A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ports
- cylinders
- valves
- discharge
- wobble plate
- 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
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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/1036—Component parts, details, e.g. sealings, lubrication
- F04B27/1045—Cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
704,902. Compressors. RICARDO & CO., ENGINEERS (1927) Ltd., and RICARDO, H. R. July 16, 1952 [Aug. 8, 1951], No. 18655/51. Class 8 (1). A reciprocating compressor has a cylindrical valve member and housing arranged for relative rotation for controlling admission and delivery ports in their cooperating cylindrical walls, and also for relative axial movement for varying the points of opening of both the admission and delivery ports without changing their points of closing, said axial movement being effected automatically by variations in the relationship between the admission and delivery pressure. The compressor comprises a pair of cylinder blocks A, A<SP>1</SP> each having a plurality of parallel cylinders A<SP>2</SP> disposed around a rotary distributing valve K and containing double-acting pistons G connected in pairs by piston rods G' passing through elongated guides F in the ends of the cylinders and actuated by a wobble plate H<SP>1</SP>. The latter is journaled on bearings H<SP>2</SP> carried by a member H<SP>3</SP> secured to a main driving shaft H<SP>4</SP>. The piston rods each have a cylindrical housing G' for a rockable member G<SP>3</SP> bored to receive a pin H projecting from the wobble plate. One of the housings G<SP>4</SP> has end caps to prevent its member G' from sliding axially therein and so prevent the wobble plate from rotating; the other housings are open-ended to allow free transverse movement of their inner members. Combined inlet and discharge ports J are disposed at each end of the cylinders and cooperate with inlet ports K<SP>6</SP> K' and discharge ports K<SP>4</SP>, K<SP>5</SP> in the rotary valve. The inlet ports in each valve communicate permanently with an inlet passage L and the discharge ports with a discharge passage D'. The valves which are driven from the shaft H<SP>4</SP> are slidable axially thereon and are biased outwardly by springs M. If the discharge pressure in the passages D' increases, the valves are moved axially against their springs and the co-operating ports in the cylinders and the valves are so shaped that the opening of the ports is retarded and hence the discharge pressure from the cylinders is increased. The piston rods G<SP>1</SP> are a close sliding fit in the guides F which maintain the pistons G substantially out of contact with their cylinders. Annular grooves are provided on the pistons and on the surface of the rotary valves to form a labyrinth packing. An annular cham- .ber F<SP>6</SP> is provided in each of the guides F to which lubricant-laden air has access through passages F<SP>5</SP>. Balancing members N<SP>2</SP> are provided on the main shaft to counteract the effect of the wobble plate. Specifications 704,903 and 704,935 are referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1865551A GB704902A (en) | 1951-08-08 | 1951-08-08 | Improvements in or relating to compressors for air or other gaseous fluid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1865551A GB704902A (en) | 1951-08-08 | 1951-08-08 | Improvements in or relating to compressors for air or other gaseous fluid |
Publications (1)
Publication Number | Publication Date |
---|---|
GB704902A true GB704902A (en) | 1954-03-03 |
Family
ID=10116181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1865551A Expired GB704902A (en) | 1951-08-08 | 1951-08-08 | Improvements in or relating to compressors for air or other gaseous fluid |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB704902A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0151777A1 (en) * | 1983-12-24 | 1985-08-21 | Sanden Corporation | Piston assembly for a refrigerant compressor |
-
1951
- 1951-08-08 GB GB1865551A patent/GB704902A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0151777A1 (en) * | 1983-12-24 | 1985-08-21 | Sanden Corporation | Piston assembly for a refrigerant compressor |
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