Guide element for a valve actuator and actuator provided with said guide element
AssigneeFlowserve Corporation
InventorsFerruccio Pellinghelli, Ivo Contardi
Life of this patent
Estimating the term…
Abstract
Disclosed is a guide element, for supporting and guiding a pin (P) of a glyph in a slot along a sliding direction. The guide element includes a central body (10) provided with a seat adapted to house a portion of the pin (P) and at least one lateral portion (10, 30) which has a sliding surface (21, 31) adapted to slide in contact with a respective lateral wall of the slot. The central body (10) and the at least one lateral portion (20, 30) are configured to rotate relative to each other about an axis (X) parallel to the sliding direction.
Claims20
Guide element of a pin (P) in a valve actuator, adapted to support and guide said pin (P) in a slot of a glyph along a sliding direction, which comprises:
- a central body (10) provided with a seat adapted to house a portion of said pin (P);
- at least one lateral portion (10, 30) which has a sliding surface (21, 31) adapted to slide in contact with a respective lateral wall of the slot;
- wherein said central body (10) and said at least one lateral portion (20, 30) are configured to rotate relative to each other about an axis (X) parallel to the sliding direction, and
- wherein the guide element further comprises constraint means adapted to constrain the translation of the at least one lateral portion (20, 30) with respect to the central body (10) along a direction (X) parallel to the sliding direction.
Dependencies are inferred from the claim text.