Spool valve
AssigneeIHI Corporation
InventorSeiei Masuda
Life of this patent
Estimating the term…
Abstract
A spool valve (1) includes: a sleeve (10) extending in an axial direction thereof, including an inlet port (11) and an outlet port for working fluid; a spool (20) movably housed in the sleeve (10) in the axial direction; a biasing device (30) including a spring (31) as a biasing member configured to press a base end (20a) of the spool (20) toward a tip end (20b) of the spool (20); and a pressure detecting port (56) for the working fluid, opening toward the tip end (20b) of the spool (20). The outlet port (12) is constituted of slits (16), and the slits (16) are arranged at intervals in the circumferential direction of the sleeve (10) and extended in the axial direction.
Claims3
A spool valve comprising:
- a sleeve extending in an axial direction thereof, including an inlet port and outlet ports for working fluid;
- a spool movably housed in the sleeve in the axial direction;
- a biasing device including a biasing member configured to press a base end of the spool toward a tip end of the spool;
- and
- a pressure detecting port for the working fluid, opening toward the tip end of the spool;
- wherein the outlet ports are arranged at first intervals in a circumferential direction of the sleeve,
- each of the outlet ports comprises a corresponding plurality of slits,
- for each of the outlet ports, the corresponding plurality of slits are arranged at second intervals in the circumferential direction and extend in the axial direction, and
- the first intervals are greater than the second intervals.
Dependencies are inferred from the claim text.