Patent ID: 6086338
Filing Date: 2000-07-11
Classification: F04B,F05C

Abstract:
An intensifier pump for a water jet pump comprising:an exterior cylinder having a fluid inlet port and a fluid outlet port;a valve disposed at said fluid outlet port;a first piston having a first plunger disposed within said exterior cylinder and driven by fluid entering said inlet port;an interior cylinder having a compression chamber disposed within said exterior cylinder, said interior cylinder having a first diameter;a second piston having a second plunger disposed within said interior cylinder and driven by said first plunger for compressing a fluid in said compression chamber to flow through said valve; anda ceramic liner disposed within said interior cylinder and circumferentially disposed around said compression chamber, said interior cylinder having a second diameter, less than said first diameter, with said ceramic liner disposed within said interior cylinder, said interior cylinder thereby compressing said ceramic liner, such that said ceramic liner is continuously under compression during operation of said pistons and experiences no stress reversal during operation of the intensifier pump.