摘要:
A collapsible containment berm having a floor and a peripheral sidewall, a plurality of brace assemblies integrally carried on an external surface of the sidewall and on an adjacent underside surface of the floor, each brace assembly comprising a rigid sidewall support member connected to the external surface of the sidewall and oriented upright when deployed, a rigid buttress member having a first end and an opposite second end, and hingedly connected to an upper end of the sidewall support member that allows the buttress member to arc toward or away from the sidewall, a rigid floor member hingedly connected at the third end to the other end of the buttress member, and a sleeve connected to the underside of the floor and adapted to receive the floor member. The floor member slides in and out of the sleeve and moves the buttress member in and out of a bracing position with respect to the sidewall.
摘要:
A collapsible containment berm having a floor and a peripheral sidewall, a plurality of brace assemblies integrally carried on an external surface of the sidewall and on an adjacent underside surface of the floor, each brace assembly comprising a rigid sidewall support member connected to the external surface of the sidewall and oriented upright when deployed, a rigid buttress member having a first end and an opposite second end, and hingedly connected to an upper end of the sidewall support member that allows the buttress member to arc toward or away from the sidewall, a rigid floor member hingedly connected at the third end to the other end of the buttress member, and a sleeve connected to the underside of the floor and adapted to receive the floor member. The floor member slides in and out of the sleeve and moves the buttress member in and out of a bracing position with respect to the sidewall.
摘要:
A suspension and control head apparatus for an aerial firefighting bucket that is suspendable from an aircraft and operable to release fluid by a movable valve, the apparatus comprising an elongate rigid spreader having attachment portions at opposite ends of the spreader member; a housing connected to the spreader member between the attachment portions; a remotely controllable actuator within the housing operable to advance and retract a valve control line connected to the movable valve on the bucket to open and close the valve; a cargo ring adapted to connecting to a cargo hook on the aircraft; suspension lines connected between each attachment portion and the cargo ring; and the ends of the spreader bar being operable to connect to bucket support lines for suspending the weight of the firefighting bucket evenly between the ends.
摘要:
A baffle for a flexible liquid transport tank, having a base portion connected to an interior surface of the liquid transport tank, a single panel shaped to substantially cover the internal cross-sectional area defined by the liquid transport tank, and a link mechanism to interconnect the single panel to the base portion.
摘要:
An apparatus and method for dispensing incendiary projectiles is provided. The apparatus includes an injector for injecting the projectiles with a reactant at a dispensing rate, and a controller operable to control the dispensing rate. The controller is operable to control solenoids of a dispenser gate and a shuttle motor, and to prevent jam conditions of the apparatus. The apparatus can detect and automatically correct jam conditions that do occur. The apparatus can count the number of incendiary projectiles dispensed during a current operation and during the lifetime of the apparatus. The apparatus is dimensioned to minimize the number of incendiary projectiles purged from the apparatus after an operator has indicated to stop dispensing.
摘要:
A valve mountable to a bottom of a container around an opening, such as an aerial firefighting bucket, and has a hub and telescoping arms extending radially from the hub. The telescoping arms are connected to the hub and to the bottom of the container. Hence, they radiate from the hub to a periphery around the opening. The hub may be raised and lowered with respect to the opening. When raised the telescoping arms extend and when lowered the telescoping arms contract. A valve flap is connected to the telescoping arms and covers the opening when the hub is lowered to inhibit liquid flow out of the opening and exposes part of the opening as the hub is raised to allow liquid to flow past the valve flap.
摘要:
An aerial firefighting bucket assembly supported by a harness and includes an open bucket body with a bottom having an opening. A flexible tubular dump valve extends from the opening and has a free end defining a discharge port with a sealing lip defining two opposite lip portions. Pulleys or other roller mechanisms are mounted on one or the other of the lip portions, and end stops are mounted to the opposite lip portion such that each pulley faces an end stop. Flexible support lines from a control mechanism each pass through one pulley and terminate on the corresponding end stop. The lines when tensioned are drawn through the pulley and draw the corresponding end stop towards the pulley to bring the lip portions into sealing contact. The lines when slackened allow the lip portions to be forced apart for dumping water from the bucket.
摘要:
A frame assembly for a collapsible firefighting bucket for helicopters and being operable to open a rim of the bucket for filling with water and to collapse the rim for storage of the bucket, the frame assembly comprising a hub, a plurality of spokes radiating from the hub and being connected to the rim, each spoke having an inner end near the hub that is pivotably connected to the hub and an outer end near the rim that is pivotably connected to the rim, and a stop positioned below each pivotable connection of the inner end and the hub to limit the downward pivoting of the spoke relative to the hub. A collapsible firefighting bucket for helicopters having such frame assembly.
摘要:
An overfill indicator for a flexible collapsible liquid storage tank made of a liquid impervious fabric and having a floor and a top wall with a vent therein, the overfill indicator comprising a connector portion adapted to removably connecting to the vent of the tank, an indicator movably mounted to the connector portion, the indicator being moveable between a resting position and a visually noticeable alert position, a base portion located on the inside of the tank and on the floor thereof and aligned with the vent, and a linkage connecting the base to the indicator such that the indicator is moved from the resting position to the alert position as the top wall of the tank reaches a threshold distance from the floor as the tank is filled with liquid, wherein said threshold distance coincides with the tank having reached a desired liquid capacity.