Patent ID: 11480168

Abstract:
A piston rod sealing system for a reciprocating machine (1), including a piston rod (8) having a first end (8a) connected to a piston (9), and a second end (8b) connected to a crankshaft (10), the piston rod (8) being received within a housing (7); and a sealing unit (11) provided between the piston rod (8) and the housing (7), and having a first lateral surface (12a) facing the first end (8a) and a second lateral surface (12b) facing the second end (8b). The sealing unit (11) includes a first rod seal (13) positioned in the vicinity of the first lateral surface (12a) and a second rod seal (14) positioned between the first rod seal (13) and the second lateral surface (12b), the sealing unit (11) being fixed within the housing (7). The second rod seal (14) includes a liquid injection pipe (15).