Coolant system for piston and liner of reciprocating pumps

Details Coolant system for piston and liner of reciprocating pumps Coolant system for piston and liner of reciprocating pumps

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 53/14 (2006.01) F04B 53/08 (2006.01)

Patent

CA 2486229

A reciprocating pump assembly includes piston rod that is movable and reciprocates in order to pump a fluid. The piston rod has a piston portion at an end that stokes within a piston chamber. The pump assembly also includes a piston rod sleeve that houses the piston rod. The piston rod sleeve does not reciprocate with the piston rod. Thus, the piston rod sleeve remains stationary. The piston rod sleeve defines and annulus between the piston rod and the piston rod sleeve. The pump assembly has a fluid line that leads into the annulus. The fluid line delivers coolant to the annulus. The pump assembly also includes a flow passage. The flow passage has an inlet in fluid communication with the annulus for receiving the coolant. The passage also has an outlet in fluid communication with the piston chamber for delivering the coolant.

Pompe alternative comprenant une tige de piston mobile exécutant un mouvement alternatif afin de pomper un fluide. Une extrémité de la tige forme un piston qui se déplace dans une chambre. La pompe est munie d'un manchon qui recouvre la tige de piston. Ce manchon est fixe et ne se déplace pas avec la tige du piston. Le manchon forme un anneau placé entre le manchon lui- même et la tige du piston. La pompe est munie d'une canalisation qui achemine le fluide refroidisseur jusqu'à l'anneau, ainsi que d'un passage comportant un orifice d'entrée qui communique avec l'anneau et permet de recevoir du liquide refroidisseur. Ce passage comprend, en outre, un orifice de sortie communiquant avec la chambre du piston afin d'acheminer le liquide refroidisseur.

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