Valve with canted seals
AssigneeNorgren GT Development Corporation
InventorJohn Michael MORRIS
Life of this patent
Estimating the term…
Abstract
A valve (103) is provided. The valve (103) comprises a housing (104) defining an internal bore (209) and a plurality of fluid ports (107a, 107b, 108a, 108b). The valve (103) further comprises a rotatable spool (210) positioned within the internal bore (209) and rotatable about a longitudinal axis (X-X). A first canted seal (217) is provided that is positioned on the rotatable spool (210) at an angle (θ) with respect to the longitudinal axis (X-X). A second canted seal (218) is also provided that is positioned on the rotatable spool (210) at an angle (α) with respect to the longitudinal axis (X-X).
Claims22
A valve (103), comprising:
- a housing (104) defining an internal bore (209) and plurality of fluid ports (107a, 107b, 108a, 108b);
- a rotatable spool (210) positioned within the internal bore (209) and rotatable about a longitudinal axis (X-X);
- a first canted seal (217) positioned on the rotatable spool (210) at an angle (θ) with respect to the longitudinal axis (X-X);
- and
- a second canted seal (218) positioned on the rotatable spool (210) at an angle (α) with respect to the longitudinal axis (X-X).
A method for forming a valve, comprising steps of:
- positioning a first canted seal on a spool at an angle with respect to a longitudinal axis of the spool;
- positioning a second canted seal on the spool at an angle with respect to the longitudinal axis of the spool;
- and
- positioning the spool in a housing such that the spool can rotate within the housing about the longitudinal axis to selectively control a fluid flow through a plurality of fluid ports using the first and second canted seals.
A method for controlling a fluid through a valve, comprising a step of:
- rotating a rotatable spool about a longitudinal axis to a first position to selectively control a fluid flow through a first and a second fluid port with a first canted seal positioned on the rotatable spool at an angle with respect to the longitudinal axis and to selectively control a fluid flow through a third fluid port and a fourth fluid port with a second canted seal positioned on the rotatable spool at an angle with respect to the longitudinal axis.
Dependencies are inferred from the claim text.