Abstract: A vent valve may include, among other things, a valve body having an inlet opening and an outlet opening forming a flow path. The inlet opening may be oriented in a first direction and the outlet opening may be oriented in a second direction. A poppet member may be provided on or about the valve body and can be configured for movement between an opened position and a closed position relative to the inlet opening. The poppet member may be movable along the valve body in a direction that is perpendicular to the first direction of the inlet opening. A float member may be attached or operatively connected to the poppet member, the float member configured to move the poppet member between the first and second positions.

Abstract: A refueling coupling regulator assembly including a housing forming a fluid path. A first stage pressure regulator may be provided within the housing, and may be operable between an un-modulated position and a modulated position to regulate a flow of fluid through the housing. A second stage pressure regulator may be provided within the housing, and may be operable between an un-modulated position and a modulated position to regulate a flow of fluid through the housing. The first stage pressure regulator and the second stage pressure regulator may be operable independent of one another.

Abstract: A vent valve may include, among other things, a valve body having an inlet opening and an outlet opening forming a flow path. The inlet opening may be oriented in a first direction and the outlet opening may be oriented in a second direction. A poppet member may be provided on or about the valve body and can be configured for movement between an opened position and a closed position relative to the inlet opening. The poppet member may be movable along the valve body in a direction that is perpendicular to the first direction of the inlet opening. A float member may be attached or operatively connected to the poppet member, the float member configured to move the poppet member between the first and second positions.

Abstract: A refueling boom is provided for use in an aerial refueling system. The refueling boom may include a boom section configured to extend from a tanker aircraft. A pressure limiting valve may be provided downstream of the boom section. A boom nozzle may be provided downstream of, or integral with, the pressure limiting valve.