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Projects and Prototypes
SED has designed and built a number of prototypes:
- Variable compression ratio engine
- Series of fixed displacement single-ended and doubled water pumps
- Variable displacement water pump
- Fixed capacity factory air compressor
- Fixed capacity oil-less air compressor
- Fixed capacity refrigerant compressor
- Variable displacement hydraulic motor/pump
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Variable Compression/Displacement Ratio Gasoline Engine |
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Specifications
- 4 cylinder
- Stroke Long, 4.152 in.
- Stroke Short, 3.474 in.
- Compression Ratio
- Displacement,
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Fixed Displacement Water Pump |
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Specifications:
- 3 and 6 cylinder
- Stroke, .970 in.
- Bore, .574 in.
- Displacement 1.506 cid
- Pressure, 3,500. psi
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Variable Displacement Water Pump |
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Specifications:
- Stroke, .970 in.
- Bore, .574 in.
- Displacement, 1.506 cid
- Pressure, 3,500. psi
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Air Compressor |
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Specifications:
- 2 Stage, 2 Cylinder
- Stroke, 2.973 in
- Bore, 3.00 in
- Displacement, 21.01 cid
- Pressure 2nd Stage,
250 psi
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Oil-less Air Compressor |
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Specifications:
- 3 Cylinders
- Stroke, .766 in
- Bore, 1.75 in
- Displacement, 5.53 cid.
- Design P. 4.0 psi
- Tested to, 30 psi
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Refrigeration Compressor |
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Specifications:
- 2 Cylinder Opposed
- Stroke, 1.50 in.
- Bore, 2.188 in.
- Displacement, 11.275 cid
- Peak Pressure, 350 psi
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Hydraulic Motor/Pump |
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Specifications:
- 7 Cylinders
- Stroke, variable 0-54.29mm (2.138 in)
- Bore, 26.5mm (1.04 in.)
- Displacement, 0-210 cc (12.79 cu in)
- Pressure to 3,500 psi
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