US 12,018,664 B2Granted

Compressor

AssigneeLG Electronics Inc.

InventorsKichul Choi, Youngpil Kim, Kiwon Noh, Eonpyo Hong

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Abstract

A compressor includes a cylinder configured to form a compressed space of the refrigerant and having a cylindrical shape, a piston configured to reciprocate axially in the cylinder and comprising a guide portion having a cylindrical shape and a head portion disposed in front of the guide portion, an intake valve disposed at a front of the head portion, a fixing member disposed outside the piston, a rod comprising one end disposed at the head portion and configured to extend axially, a first elastic member connected to the fixing member and other side of the rod, a second elastic member disposed to be spaced apart from a rear of the first elastic member and connected to the fixing member and the other side of the rod, and a first spacer insert-injected with the first elastic member and the second elastic member.

Claims20

Dependent claims

A compressor comprising:

a cylinder that extends in an axial direction and defines a compression space configured to receive refrigerant;
a piston configured to reciprocate in the cylinder along the axial direction, the piston comprising (i) a guide portion that has a cylindrical shape and defines a rear side of the piston and (ii) a head portion that is disposed at the guide portion and defines a front side of the piston;
an intake valve disposed at the head portion and configured to supply the refrigerant to the compression space;
a rod that extends rearward from the head portion in the axial direction, the rod having a first side that is disposed at the head portion and a second side that is disposed opposite to the first side of the rod;
a fixing member disposed radially outside the piston;
a first elastic member connected to the fixing member and to the second side of the rod;
a second elastic member spaced apart from the first elastic member and disposed rearward relative to the first elastic member in the axial direction, the second elastic member being connected to the fixing member and to the second side of the rod;
and
a first spacer disposed at the second side of the rod, the first spacer being insert-injected with the first elastic member and the second elastic member.

6 more elements

A compressor comprising:

a cylinder that extends in an axial direction and defines a compression space configured to receive refrigerant;
a piston configured to reciprocate in the cylinder along the axial direction, the piston comprising (i) a guide portion that has a cylindrical shape and defines a rear side of the piston and (ii) a head portion that is disposed at the guide portion and defines a front side of the piston;
an intake valve disposed at the head portion and configured to supply the refrigerant to the compression space;
a rod that extends rearward from the head portion in the axial direction, the rod having a first side disposed at the head portion and a second side that is disposed opposite to the first side;
a fixing member disposed radially outside the piston;
a first elastic member connected to the fixing member and to the second side of the rod;
a second elastic member spaced apart from the first elastic member and disposed rearward relative to the first elastic member in the axial direction, the second elastic member being connected to the fixing member and to the second side of the rod;
and
a spacer disposed between the first elastic member and the second elastic member.

6 more elements

Dependencies are inferred from the claim text.