US 11,703,042 B2
Suction muffler for reciprocating compressor
San Haw Chong, Singapore (SG); and Zhen Chyen Lau, Singapore (SG)
Assigned to Panasonic Appliances Refrigeration Devices Singapore, Singapore (SG)
Appl. No. 17/442,673
Filed by Panasonic Appliances Refrigeration Devices Singapore, Singapore (SG)
PCT Filed Mar. 30, 2020, PCT No. PCT/SG2020/050189
§ 371(c)(1), (2) Date Sep. 24, 2021,
PCT Pub. No. WO2020/204825, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 10201902841Y (SG), filed on Mar. 29, 2019.
Prior Publication US 2022/0163026 A1, May 26, 2022
Int. Cl. F04B 39/00 (2006.01); F04C 29/06 (2006.01)
CPC F04B 39/0061 (2013.01) [F04B 39/0072 (2013.01); F04C 29/065 (2013.01); Y10S 181/403 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A suction muffler for a reciprocating compressor, the suction muffler comprising:
a first housing portion comprising a first inlet opening, and a second inlet opening, wherein the first inlet opening and/or the second inlet opening is configured to receive refrigerant from a suction pipe of the reciprocating compressor; and
a second housing portion comprising a blocking member configured to block one of a first refrigerant flow path from the first inlet opening to a suction muffler outlet, and a second refrigerant flow path from the second inlet opening to the suction muffler outlet, the suction muffler outlet being configured to couple to a compression component of the reciprocating compressor.