Some embodiments of the present door handles include a housing, a hand sanitizer delivery system coupled to the housing, the hand sanitizer delivery system having a reservoir configured to contain hand sanitizer, a nozzle in selective fluid communication with the reservoir, and a pump configured to communicate hand sanitizer from the reservoir to the nozzle, and a first lever movably coupled to the housing, where the housing is configured to be mounted to a door having a movable latch such that movement of the first lever a first distance in a first direction actuates the door latch, and where the hand sanitizer delivery system can be actuated independently of the door latch. In some embodiments, the housing is configured to be mounted to the door such that movement of the first lever a second distance, smaller than the first distance, in the first direction actuates the hand sanitizer delivery system.

The water containment system(s) disclosed herein may include one or more trays operably connected by piping. In some implementations, the trays may be configured to support plants thereon and to catch water used to irrigate these plants. In this way, the collected water may be reclaimed and reused. In some implementations, the water containment system may help prevent water from leaking onto adjacent surfaces. In this way, a potential water hazard may be eliminated. In some implementations, each tray may include a housing with at least one grate covering an interior opening. In some implementations, the housing of each tray may have one or more sloped surface located within its interior. In some implementations, a drain may be located at or near the lowest point within the interior of the housing. In this way, water flowing through the interior of a tray's housing may drain out.

The present application includes a flexible sock system for containing inadvertently released concrete from the tubing of a pump truck. One or more socks are selectively located on the boom and tubing to define a guarded area used to contain cement that is leaking or bursts out of the tubing. The socks may include a sleeve and or a flat member. The flat members are used enclose a space around bends or other flexible areas. A series of apertures are used to cinch the flat member closed. The sleeve is used primarily around the tip hose of the pump truck to increase control of the tip hose and visibility of the tip hose location.

A pipeline leakage protection vault system includes a plurality of leakage protection vault modules and a central control unit adapted to be communicably configured to each other. Each module includes a retrofittable configuration adapted to include sub-modules coupled around the pipeline. Each sub-module includes a protective casing, spacer rings and a vault door. The protective casing is adapted to compliment the portion of the pipeline to be fitted to protect the fluid in event of leakage. Further, the spacer rings are adapted to be disposed circumferentially over the protective casing in spaced relationship from each other. The spacer rings includes a plurality of components adapted to monitor parameters associated with the pipeline to generate real time data related to the pipeline. Furthermore, the vault door disposed over the top protective casing and rest over the spacer rings covering the sub-module and withholding the fluid in case of leakage.

Features for protecting against leaks in a fluid circuit are disclosed. In an embodiment, a first indicator of a leak is used to trigger confirmation by blood flow reversal and air detection in the blood circuit. A method for performing a blood treatment includes, at blood treatment machine, pumping blood to a patient through a first blood line. Further, at a controller of the blood treatment machine, a first signal is received, indicating a probability of a leak in the first blood line. Responsively to the first signal, the controller commands a leak verification operation and receives a second signal indicating whether a leak in the first blood line is verified. Further, a leak indicating signal is generated if the second signal indicates a leak is verified.

A digitally controlled current to pressure converter (CPC) is provided. A digital CPC utilizes a digital controller and an onboard pressure transducer to accurately control the output pressure based upon an input analog control signal. The digital controller includes an anti-silting algorithm that provides an impulse movement of the three-way rotary valve of the CPC to loosen and flush away silt contamination from the valve. A redundant seal stack including an intermediate passage to the hydraulic drain ensures a low pressure drop across the outboard seal minimizing the potential for leakage and improving reliability of the CPC. The digital controller also includes redundancy and fault management algorithms that enable the use of multiple inputs and feedback signals for control of the CPC. Master/slave operation and transitioning is also provided by the digital controller.

A joystick pilot valve equipped with the structure for preventing oil leakage comprises: a valve body; spool installed in the valve body to be moved between the supply port and the hydraulic fluid chamber; spool hole installed in the valve body; pushing cam connected to the upper portion of the valve body by joint; joystick lever connected to the pushing cam to make the pushing cam move like seesaw by the operation and make the spool move in the spool hole forward and backward to make the supply port connected or disconnected to the hydraulic fluid chamber; outer boot provided at the valve body to cover the outer periphery of the valve body, the pushing cam and the joystick lever; inner boot arranged inside of the outer boot and forming oil leak storage chamber sealed from the outer side at the upper portion of the guide hole.

A device for containment of fluid escaping from a pipe, comprising a can having a surrounding wall and a bottom: The bottom is formed of bottom segments that combine to form a bottom opening with a bottom inward facing sealing surface for sealing against the pipe. The surrounding wall is formed of wall segments that combine to form an enclosure defining an interior of the can. The drain further comprises a drain opening exposed to the interior of the can. The can may include fluid level sensors that activate a suction pump.

Methods and systems for duct protection of a vehicle are provided. The methods and systems provided include an apparatus for directing flow discharged from a facture in a duct. The apparatus includes a ballistic containment layer, an air containment layer substantially surrounding the ballistic containment layer, and a vent defined in the ballistic containment layer and the air containment layer. The vent is configured to direct a flow discharged from the duct fracture.

Embodiments of a spill over tank for an evaporator of a HVAC system are described. The spill over tank may be configured to receive a refrigerant directed out of the evaporator. The spill over tank may be configured to have an outlet directing refrigerant in the spill over tank out of the spill over tank and flowing back to a compressor of the HVAC system. The spill over tank may be equipped with a refrigerant level sensor configured to measure a refrigerant level in the spill over tank. The measured refrigerant level in the spill over tank may be used to control and/or maintain a refrigerant level in the evaporator, and/or may be used to control a return refrigerant flow into the compressor of the HVAC system so as to manage an oil return to the compressor.