15 results about "Ballast" patented technology

A solar powered LED portable light tower. A solar powered LED portable light tower may comprise: one or more photovoltaic modules, an adjustable masthead, one or more lamps, one or more batteries, an inverter, a controller, and a base. The lamps may be light emitting diodes. The controller may be configured to turn on and off and dim said one or more lamps, and preferably comprises a motion sensor. The portable light tower may also comprise a concrete ballast, fork lift option, and/or a trailer option.

A protected membrane roof system for installation on a roof decking comprising an upper insulation board having an upwardly-facing upper board top surface and an opposite downwardly-facing upper board bottom surface and at least one through-hole communicating therebetween, a ballast material positioned over the upper insulation board, and at least one fastener assembly having a base seated substantially adjacent the upper board bottom surface, a rod extending substantially vertically from the base of sufficient size so as to extend through the through-hole of the upper insulation board and the ballast material, and a cap engaged with the rod above the ballast material, whereby the wind uplift resistance of the protected membrane roof system is improved and scour of the ballast material is reduced by effectively anchoring the ballast material to the upper insulation board beneath the ballast material.

A fluorescent lamp holder combination device includes a main lamp holder and an auxiliary lamp holder set, which is provided with an auxiliary lamp holder. The main lamp holder is internally configured with a multifunction ballast, which is electrically connected to a conducting portion. Each of the conducting portions is electrically connected to a connecting portion of each of the auxiliary lamp holders by means of a set of conducting cables, thereby enabling parallel connection between each of the auxiliary lamp holders using the single multifunction ballast, and achieving the effectiveness to enable the single multifunction ballast to provide stable rectification and energy saving for the auxiliary lamp holders. Furthermore, a starting capacitor and current-limiting inductor can be disposed within each of the auxiliary lamp holders, thereby reducing use-cost of the set of conducting cables while facilitating maintenance of the starting capacitors and the current-limiting inductors.

The invention discloses a centrifugal pulse dust collector, comprising a fan, a centrifugal separator, a ballast, a pulse separator, a control box, a chassis and a high-pressure air injection system, wherein an air outlet of the fan is connected with an air inlet of the centrifugal separator; an air outlet of the centrifugal separator is connected with an air inlet of the ballast; an air outlet of the ballast is connected with an air inlet of the pulse separator; the output control end of the control box is respectively connected with the input control ends of the fan, the pulse separator and the high pressure air injection system; the centrifugal separator and the pulse separator are both mounted on the chassis; and a pulse spray nozzle of the high-pressure air injection system is arranged in the pulse separator, and closes to the air inlet of the pulse separator. As a dry dedusting mode is utilized by the centrifugal pulse dust collector disclosed by the invention, separated dust can be recycled, and thus the cost is saved; and as the centrifugal pulse dust collector can be automatically cleaned, the working efficiency of the centrifugal pulse dust collector is improved, the manual working amount is reduced, and the use and maintenance cost is lowered. The centrifugal pulse dust collector has the advantages of compactness in structure, small size and wide application range.

A washing machine or other laundry appliance has a drum that rotates during washing cycles of the appliance. The appliance further incorporates a ballast system including a reservoir having means for permitting water to flow between said reservoir and the drum, an inlet for enabling said reservoir to be filled with water, and an outlet for enabling water to be drained from said reservoir. The appliance further incorporates means for filling said reservoir and maintaining said reservoir substantially full of water during the washing cycles. Weight of the reservoir when it is substantially full of water acts to counter balance vibrations generated by the rotation of the drum during the washing cycles of the appliance.

The invention relates to an EI silicon steel sheet for an anti-corrosion ballast. The EI silicon steel sheet for the anti-corrosion ballast comprises an E-shaped silicon steel sheet part (1) arranged on the left side and an I-shaped silicon steel sheet part (2) arranged on the right side and is characterized in that the E-shaped silicon steel sheet part (1) comprises a vertical section (1.1), a first horizontal section (1.2), a second horizontal section (1.3) and a third horizontal section (1.4), the first horizontal section (1.2), the second horizontal section (1.3) and the third horizontal section (1.4) are connected to the upper portion, the middle portion and the lower portion of the right side of the vertical section (1.1) respectively, a protruding step (2.1) is arranged in the middle of the left side of the I-shaped silicon steel sheet part (2), and the right ends of the first horizontal section (1.2) and the third horizontal section (1.4) of the E-shaped silicon steel sheet part (1) are just located outside the protruding step (2.1) of the I-shaped silicon steel sheet part (2). Due to the fact that the right ends of the first horizontal section and the third horizontal section of the E-shaped silicon steel sheet part are just located outside the step of the I-shaped silicon steel sheet part during installation, gap control is easy to achieve, the assembly technology is simple, and efficiency is high.

The invention discloses an energy-saving control system. The energy-saving control system comprises a light control device, a counting device, a coding device, a nixie tube, a storage device, an intelligent control device, a power supply control device, an LED lamp bead and a timing device, wherein the light control device is connected with the counting device, the timing device is connected with the counting device, the intelligent control device is connected with the power supply control device which is connected with a power transformer, an energy-saving ballast and a compensation capacitor respectively, and the intelligent control device is connected with a communication device; as the energy-saving control system adopts the intelligent control device and the light control device, the energy-saving control system can be automatically switched on and off according to the sunlight intensity and can control the light brightness at the first half of the night and the latter half of the night respectively; the communication device is arranged to achieve remotely artificial single-lamp switching control; the energy-saving ballast and the compensation capacitor are connected to the power supply control device to achieve the energy-saving effect in different time frames through mutual cooperation, and the power of the controller can be increased.

The invention discloses a variable mooring device for a fish gathering platform, and mainly solves the problem that the mooring and fastening of the fish gathering platform need to be manually carried out, so that the operation is poor in safety. The variable mooring device comprises a plurality of supporting pieces, fixed pulleys, at least one mooring rope and a mooring ring, wherein the supporting pieces are mounted on a convex wall of a transfer working platform of the fish gathering platform, the fixed pulleys are fixed on the supporting pieces, one end of each mooring rope is connected with a ballast bin used for adjusting mooring power and bypasses one fixed pulley, the mooring ring is connected to the other end of the mooring rope; and a limiting ring arranged on the side wall of the convex wall of the transfer working platform of the fish gathering platform and used for limiting and restraining the mooring ring. After the mooring device is used on the fish gathering platform, an operator does not need to pay attention to the amplitude of the water level at any time and only needs to regularly check the mooring working state of the fish gathering platform, and the safety risk of water operation of the operator and the risk of personal injury of the operator are eliminated; and secondly, after the device is operated, the mooring stability of the fish gathering platform is improved, and the possibility of faults of the overall fish gathering system is reduced.

The invention relates to an electronic ballast, which comprises a filter circuit, a rectifying circuit, an inverter circuit and an output network, wherein the filter circuit receives AC with a first frequency and filters the input AC; the rectifying circuit is used for rectifying the filtered AC so as to generate DC voltage; the inverter circuit is used for converting the DC voltage into AC voltage with a second frequency, and the second frequency is higher than the first frequency; the output network is used for connecting a load and providing the load with AC with the second frequency; and the inverter circuit is a push-pull inverter circuit and comprises a transformer, a first switching element, a second switching element, a start capacitor and a start switch. The electronic ballast has the advantages of high power factor, good energy-saving effect and wide applicable range.

The invention provides an electro-hydraulic speed reducer which comprises bases, a braking rail base, connecting plates, a crank throw, a connecting rod, a braking rail and an oil cylinder. The two bases are fixed together through two connecting plates, the two connecting plates are located on the front side and rear side between the two bases respectively, the oil cylinder is connected above the bases through an oil cylinder shaft, a braking rail is fixed to the braking rail base through fixing bolts, the fixing bolts are located on two sides of the braking rail base, the upper portion of the crank throw is close to the upper end of the braking rail base, and the lower portion of the braking rail base is embedded into the inner side of the base. The electro-hydraulic speed reducer adopts a single-cylinder braking mechanism of a double-clamp and flat-pushing brake mechanism and does not need adjustment of a distance between sleeper plates and installation of ballast beds replacing the sleeper plates, and constriction cost can be reduced. The oil cylinder is located above the sleeper plates, and convenience is brought to repair and maintenance. The connecting rod is close to a rail base to prevent rainwater invasion and soaking, and the service life is prolonged. The maintenance times of the oil cylinder are decreased, and the maintenance cost of the oil cylinder is reduced.