Bi-stable quick-release valve
AssigneeKnorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
InventorsMarton KOZMA, Igor IBOS
Life of this patent
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Abstract
A valve for applying an emergency brake of a rail vehicle includes a valve housing, an actuation member to be activated by a user, an actuation rod connecting the actuation member with a valve head, wherein the valve head is adapted to abut on a valve seat, a guidance for guiding the actuation rod being provided within the valve housing, and a first spring adapted to push the valve head against the valve seat, wherein the actuation rod includes a first groove and a second groove, and wherein a first following member is provided between the actuation rod and the guidance, being adapted to stably rest in the first groove or the second groove.
Claims13
A valve for applying an emergency brake of a rail vehicle, the valve comprising:
- a valve housing;
- an actuation member to be actuated by a user;
- an actuation rod, connecting the actuation member with a valve head, wherein the valve head is configured to abut on a valve seat;
- a guidance for guiding the actuation rod being provided within the valve housing,
- a first spring configured to push the valve head against the valve seat, wherein the actuation rod includes a first groove and a second groove;
- and
- a first following member provided between the actuation rod and the guidance, and being configured to stably rest in the first groove or the second groove.
The valve of claim 11, wherein the resultant force between the actuation rod and the first following member is higher than the force needed to fully compress the fourth spring.
Dependencies are inferred from the claim text.