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2416 results about "Holding tank" patented technology

A holding tank, also called a waste water holding tank or black (water) tank, is a container for storing sewage in vehicles equipped with toilets. Vehicles that employ holding tanks include recreational vehicles (RVs), trucks (U.S. usage) or lorries (UK usage), railroad trains, boats, aircraft, and even spacecraft. The contents are emptied into a dump station, which discharges the raw sewage into a sewage treatment system.

High efficiency air filter device and operating method thereof

An air filter device and an operating method thereof. The air filter device comprises an air filter system and a powder distribution system. The air filter system comprises an air filter chamber (1), a clean air chamber (2), and a high-pressure jet pulse powder cleaning device (3). An entrance of the air filter chamber (1) is in communication with an air inlet pipe (4); an exit of the clean air chamber (2) is in communication with an air outlet pipe (6), and the air outlet pipe (6) is in communication with an exhaust fan (9). A plurality of bag filters or filter cartridges (10) are disposed in the air filter chamber (1). An opening end of each of the bag filters or filter cartridges (10) is in communication with the clean air chamber (2), and high-pressure jet pulse powder cleaning devices (3) are disposed above the opening end of the corresponding bag filters or filter cartridges (10). The powder distribution system includes a powder storage tank (13), which is in communication, via a powder delivery tube (15), with the air inlet pipe (4) of the air filter chamber (1). The operating method comprises a first powder distribution step and a second powder distribution step, which are respectively performed according to pressure detection status of the air filter chamber (1).
Owner:FOSHAN HUMAN HABITAT ENVIRONMENTAL PROTECTION ENG

Automated, self-contained, home sewage treatment system

A small and cost effective sewage treatment system intended for unattended use in individual homes, small industries or businesses in locations where a central sewage treatment plant is not available. The sewage treatment system comprises a conventional septic tank which drains into a smaller aerated holding tank, a pump to transfer effluent from the holding tank into a disinfecting chamber, a regenerative heat exchanger used to raise the temperature of the effluent while being aerated in the holding tank, means for pumping the effluent at a controlled rate through a microwave field, and a conventional drain field used to release the disinfected water into the surrounding soil. Operation of this system is fully regulated by a micro-controller, thereby eliminating the need for human intervention during normal use. This invention also incorporates electronic means for detecting various fault conditions which may impede effective disinfection, means for diagnosing what part of the system is at fault, means for reporting the fault and diagnose to a central municipal location via a telephone or transponder system, an emergency battery backup system, and means for reverting system operation to that of a conventional septic tank and drain field system is case of a total power failure (both A/C and DIC) or water pump failure. Conventional household alternating current or a battery recharged via a wind generator or solar cells may power the sewage treatment system.
Owner:BARRERAS SR FRANCISCO J +1

Liquid sampler and method

A sampler for obtaining wine samples from a wine holding tank is characterized by a manually operable sampler and a connecting device for coupling the sampler to an opening to the tank. The connecting device has open and closed states and the sampler is coupled to the connecting device while it is closed, after which the connecting device is opened to establish a path between the sampler and tank opening. A probe of the sampler, having a forward sample receiving inlet that may be opened and closed, is then manually extended, while its inlet is closed, through the connecting device and tank opening into and through lees deposited as a sediment layer in the region of the tank opening, until the probe inlet is positioned beyond the sediment layer and in wine that is relatively free of sediment. The probe inlet is then opened for flow of a sample of wine from the tank into the inlet and through and out of the probe to a collection container. After collection of the wine sample, the probe inlet is closed and the probe is retracted from the tank and connecting device. The connecting device may then be closed to interrupt the path between the sampler and tank opening, at which point the sampler may be disconnected from the connecting device for use in obtaining additional wine samples by being attached to connecting devices associated with each of a series of additional wine holding tanks.
Owner:SENTRY EQUIP +1

Holding tank devices, systems, and methods for surgical fluidics cassette

The present invention is generally directed to improved methods, devices, and systems for eye surgery. In some embodiments, the invention may provide new and/or improved devices, systems, and methods for detecting surgical fluids in a fluidics cassette, particularly cassettes which are used to couple an eye treatment probe to an eye treatment console. Rather than relaying on internal reflection by a gas-liquid interface, the fluid detection techniques described herein may make use of the changes in propagation of light through a portion of the holding tank when the portion varies between empty and full. For example, light may propagate directly through the holding tank portion when there is no surgical fluid, but may be directed away from a light detector when the portion of the holding tank is filled with surgical fluid. As the light may be controllably refracted using the interface between the transparent holding tank material and the surgical fluid, the propagation properties of the light may be more reliably predicted and controlled. While the sensor may not determine the actual liquid level within the holding tank, a plurality of individual liquid detectors may be sufficient to determine when it is appropriate to (for example) turn drain pumps on and off, when the holding tank is in danger of being overfilled, and the like. Other aspects of the invention may provide devices, systems, and methods for producing different types of fluidics cassette using a single cassette body type.
Owner:JOHNSON & JOHNSON SURGICAL VISION INC
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