4. Pumps
  5. Expansible chamber type
  6. Mechanically actuated distributor

Valery Dunaevsky

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Elastic unloader for scroll machines

Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent

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Injection moldable piston rings

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor
Reexamination Certificate

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Oil-free/oil-less air compressor with an improved seal

Expansible chamber devices – Piston – Nonmetallic portion
Reexamination Certificate

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Oil-less/oil-free air brake compressor with a dual piston arrang

Pumps – Expansible chamber type – Mechanically actuated distributor
Patent

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Profile ID: LFUS-PAI-P-1897932

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