Patent ID: 8925196
Filing Date: 2015-01-06
Classification: A61K,B23P,F01L,F01M,Y10T

Abstract:
1. A kit for replacing a main spring and a peak clipping spring in an oil filter base, the oil filter base including a housing mountable to a truck engine block for forming part of the engine lubricating system, an oil pressure regulating assembly mounted in the oil filter base housing, the oil pressure regulating assembly including, a stem, a spring housing disposed at a first end of the stem, a valve seat disposed at a second end of the stem opposite to the first end, and the main spring disposed inside the spring housing and configured to bias the valve seat disposed in a first position against the filter base housing, the main spring made of a material and having a spring constant, and the peak clipping spring having a spring constant and being a component of a high pressure relief valve assembly mounted in the housing for relieving oil pressure when the oil pressure exceeds a pre-determined limit when operably connected to the engine lubricating system, the kit comprising: a replacement main spring having a higher spring constant than the spring constant of the main spring and made from a material more resistant to fatigue than the main spring material, the replacement main spring having a height configured to bias the valve seat disposed in the first position against the filter base housing.