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Variable volume ratio scroll compressor

  • US 9,989,057 B2
  • Filed: 06/03/2014
  • Issued: 06/05/2018
  • Est. Priority Date: 06/03/2014
  • Status: Active Grant
First Claim
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1. A compressor comprising:

  • a scroll member including an end plate and a wrap extending from the end plate, the end plate including a recess, a discharge passage in fluid communication with the recess, and a bypass passage in fluid communication with the recess and disposed radially outward relative to the discharge passage;

    a hub received in the recess and including a central opening in fluid communication with the discharge passage and the bypass passage;

    a discharge valve disposed between the hub and the end plate and controlling fluid flow through the discharge passage; and

    a bypass valve disposed between the hub and the end plate and movable between a first position restricting fluid flow through the bypass passage and a second position allowing fluid to flow through the bypass passage, around the discharge valve and through the central opening,wherein the bypass valve is disposed within the recess such that the bypass passage is open to the recess when the bypass valve is in the second position, andwherein the bypass valve includes a valve retainer engaging a reed valve member and defining the second position of the bypass valve.

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