公开(公告)号：US20180335233A1

公开(公告)日：2018-11-22

申请号：US15981968

申请日：2018-05-17

Applicant: Whirlpool S.A.

Inventor： Rodrigo KREMER ,  Ricardo Mikio DOI ,  Dietmar Erich Bernhard LILIE

IPC: F25B31/02 ,  F04C29/06 ,  F04B35/04

CPC classification number: F04B39/023 ,  F04B2201/0806

Abstract: A hermetic compressor for positive displacement is disclosed whose airtight housing is specially altered so that its natural frequencies of vibration are distributed at frequencies above 4200 Hz and whose “capacitance density” is greater than 160 W/L.

公开(公告)号：US20200032944A1

公开(公告)日：2020-01-30

申请号：US16515189

申请日：2019-07-18

Applicant: Whirlpool S.A.

Inventor： Ricardo Mikio DOI ,  Rodrigo KREMER

IPC: F16L55/02 ,  F16K47/00 ,  F16L9/12

Abstract: The present invention refers to a fluid-conducting pipe of a reciprocating compressor made of polymeric material, and further including at least one vibrational energy dissipation element, basically, aiming at solving the problem of noise and the breakage of the pipe deriving from the resonance of the discharge piping in reciprocating compressors operating at high angular speed regimes.

公开(公告)号：US20180347555A1

公开(公告)日：2018-12-06

申请号：US15835855

申请日：2017-12-08

Applicant: Whirlpool S.A.

Inventor： Marcos Giovani Dropa DE BORTOLI ,  Rodrigo KREMER ,  Moises Alves DE OLIVEIRA

IPC: F04B39/00 ,  F04B39/12

Abstract: It is disclosed a hermetic compressor, provided with at least one fluid expansion chamber, whose useful volume is narrowly defined between a section of one of the faces (inner or outer) of the airtight housing of the compressor and at least one wall section adjacently attached to one of the faces of the airtight housing of the compressor.