초록 ▼

A flexible pipe joint has two annular elastomeric flex elements stacked in a co-axial fashion at an inner radius from a common center of rotation, and at least one elastomeric flex element disposed at an outer radius from the common center of rotation. The flex elements at the inner radius are coupl

A flexible pipe joint has two annular elastomeric flex elements stacked in a co-axial fashion at an inner radius from a common center of rotation, and at least one elastomeric flex element disposed at an outer radius from the common center of rotation. The flex elements at the inner radius are coupled mechanically in series between the extension pipe and the housing of the flexible pipe joint, and the flex element at the outer radius is coupled mechanically in parallel with the series combination of the inner flex elements. The inner flex elements isolate the flex element at the outer radius from transport fluid, and the flex element at the outer radius reduces the axial compression of the inner flex elements. Thus, the inner flex elements may have a reduced radius and a different composition to handle a higher loading of heat and pressure.

대표청구항 ▼

What is claimed is: 1. A flexible pipe joint comprising:a housing;an extension pipe extending from the housing;a first annular elastomeric flex element disposed in the housing;a second annular elastomeric flex element disposed in the housing; anda third annular elastomeric flex element disposed in t

What is claimed is: 1. A flexible pipe joint comprising:a housing;an extension pipe extending from the housing;a first annular elastomeric flex element disposed in the housing;a second annular elastomeric flex element disposed in the housing; anda third annular elastomeric flex element disposed in the housing;wherein the first, second, and third flex elements have a common center of rotation, the first and second flex elements are stacked in a coaxial fashion on opposite sides of the common center of rotation, the first and second flex elements are disposed from the common center of rotation by a common inner radius, and the third flex element is disposed from the common center of rotation by an outer radius greater than the inner radius; andwherein the first and second flex elements are mechanically joined in series between the housing and the extension pipe, and the third flex element is mechanically joined to the housing and the extension pipe in parallel with the series combination of the first and second flex elements.