Device to guide slide for adjusting volume ratio of screw compressor
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Cooling system with free cooling
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Freezing compartment opening device for horizontal plate freezer
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Procedure for loading/unloading plate freezing apparatus
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Loading device for plate freezing apparatus
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Switching and control arrangement for refrigerating plant using free cooling
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Refrigerating plant for foodstuffs
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Circuit and arrangement for NH3 cooling installations
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Arrangement for controlling hydraulic drives for power-regulated screw compressors
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Device for spreading out and pressing together the freezing plate set for plate freezer apparatuses
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Screw compressor with hydraulic load control - uses sliding control valve attached to piston in cylinder and function plate with oil passages
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Internal vol. ratio control of helical refrigerant compressor - involves three-stage repositioning or retiming of opening to outlet of gaps between rotor teeth at full load
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Shaping of helical toothed rotors in rotary piston engine - ensures that only cylindrical portions of rotors can touch in event of mutual encroachment of axes during compression
