4results about How to "Control consumption" patented technology

The application discloses a catalyst for synthesizing glycine and application of the catalyst in preparation of glycine, and relates to the technical field of glycine production. In the reaction process, one or more polymerization inhibitors are selected and the addition amount is controlled, so that the amount of formaldehyde is controlled to be reduced, the catalyst consumption is reduced, the catalyst consumption is reduced, and the glycine yield is improved.

The invention discloses a circuit board glue brushing device which comprises a conveying mechanism used for conveying a circuit board to be brushed with glue; the three-dimensional moving mechanism is connected with a rotating driving part; and the brush assembly is connected with the rotation driving part, the brush assembly is located above the conveying mechanism, and the rotation driving part is used for driving the brush assembly to rotate. According to the application, a worker does not need to carry out brushing, brushing uniformity and brushing consistency of the welding surface of the mainboard of the air conditioner outdoor unit can be well ensured, the brushing efficiency is high, the labor cost is greatly reduced, the use amount of the three-proofing glue can be well controlled, the consumption of the three-proofing glue is effectively reduced, the quality problems such as bubbles are not easy to occur during brushing, and the quality of the mainboard is improved. And the brushing quality and the brushing effect of the welding surface of the main board of the air conditioner outdoor unit can be well guaranteed.

This application provides a hydraulic clearance adjuster, an engine, and a vehicle. The hydraulic clearance adjuster includes: a housing; at least a portion of a plunger disposed within a first receiving cavity, with an oil drain channel formed between the outer peripheral surface of at least a portion of the plunger and the side wall of the first receiving cavity, and a first working cavity formed between the bottom of the plunger and the bottom of the first receiving cavity, the plunger being movably disposed relative to the housing to change the volume of the first working cavity; a first annular gap formed between the inner ring of a seal and the outer peripheral surface of the plunger, the first annular gap communicating with the first working cavity; a second annular gap formed between the outer ring of the seal and the inner side wall of the housing, the second annular gap communicating with the oil drain channels located on both sides of the seal; and a communicating channel formed on at least one of the seal and the housing, the communicating channel communicating with the oil drain channels located on both sides of the seal. The hydraulic clearance adjuster dynamically adjusts the flow cross-section of the oil drain channel according to the oil pressure, thereby precisely controlling the hydraulic stiffness damping.