日本ドナルドソン Product Lineup

The "Breath Cap," which uses a special ePTFE porous membrane, maintains breathability while providing dustproof and waterproof functions. It also prevents issues commonly encountered with precision equipment, such as condensation and distortion or damage caused by internal pressure fluctuations.

The air contains contaminants such as "dust," "oil," and "water droplets," which are so small that they are invisible to the eye, and these contaminants now adversely affect important sensors used in various fields. Donaldson's filtration technology prevents the influx of contaminants without affecting the sensitivity of important sensors. We can produce designs that suit your intended use, including label-type, housing-welded type, and integrated housing types.

The "waterproof, dustproof, and ventilation filter" is a special filter that is installed at the outdoor air intake of LED lighting and other devices. It prevents impurities such as dust, water, and water droplets from entering the product while maintaining effective ventilation performance. It helps prevent issues such as condensation, corrosion, and electrical leakage, thereby extending the lifespan of the product. Additionally, it can be customized according to your needs, including label-type and housing-type options.

The Standard Breather Assembly (SBA) adjusts pressure to prevent damage to the sealing area caused by internal pressure fluctuations. It also prevents the intrusion of dust, water, oil, and liquids from the outside. The SBA is composed of a filter that is thermally bonded to a molded plastic housing or rubber components, forming a filter assembly.

The "Adsorbent Breezer Filter (ABF)" consists of a filtration membrane, an adsorbent element, and a pressure-sensitive adhesive ring to secure the filter inside the drive, serving as a breathing filter that protects against particles, hydrocarbons, and acidic gases. The ABF, which features a high-performance filtration membrane with an adsorbent element that removes particles from incoming air, uses a special adsorbent designed for control purposes, which adsorbs moisture and acidic gases, as well as hydrocarbons. - Activated carbon: Relative humidity control and adsorption of hydrocarbons - Chemically treated activated carbon: Relative humidity control and adsorption of acidic gases and hydrocarbons - Silica gel: Relative humidity control

1. Protection from liquids such as water and oil, as well as contamination 2. Prevention of pressure fluctuations within the battery pack 3. Prevention of condensation inside the battery 4. Fail-safe mechanism to minimize damage to equipment and personnel due to battery abnormalities The battery vent uses Donaldson's uniquely developed Tetratex(R). Tetratex, a porous membrane with a finely structured PTFE that has been specially stretched, features a high porosity despite its very small pore size. In addition to oil resistance, chemical resistance, and heat resistance, it also excels in water repellency and oil repellency. The battery vent, securely welded to the housing with this high-performance material Tetratex, can prevent the intrusion of dust, oil, and moisture while maintaining breathability and equalization of pressure, thereby achieving enhanced battery performance and prolonging the lifespan of the equipment.

The "Protective Vent Assembly (Protective Waterproof Vent Filter Assembly)" is a product that equalizes the pressure between the external environment and the inside of the enclosure while protecting the equipment from various external particles, dust, water, oil, and liquids. It is integrated with plastic through thermal welding, adhesives, or overmolding, and provided to customers. The materials used can include a wide range of thermoreversible resins, elastomers, and other resin materials. 【Features】 - Prevention of the intrusion of harmful particles and liquids into the equipment - Stable pressure equalization even during variations in altitude and temperature - High-efficiency particle removal - Ventilation characteristics and pressure equalization performance - Cost reduction by replacing expensive airtight sealing materials *For more details, please refer to the PDF document or feel free to contact us.

Dustproof and drip-proof while allowing for adjustable pressure. Designed for automotive use, utilizing glass-filled PBT plastic. Its robust design provides maximum resistance even in harsh environments. Easy to attach with a snap-on design, featuring a safety design that prevents it from coming off during use.

A screw-type (screw-in type) filter that adjusts internal pressure, prevents condensation, and regulates temperature inside various enclosures both indoors and outdoors, while protecting the enclosure from dust, condensation, water, oil, and various solvents.

"SBF" is a product designed and developed to prevent the intrusion of external factors such as dust, oil, and water droplets that can affect the functionality of precision equipment. By installing "SBF" at the external air intake (internal pressure adjustment port) of precision components, it efficiently removes impurities from the incoming air while allowing pressure and heat inside the machine to escape to the outside. Additionally, it can be customized with functions such as water and oil repellency according to the application.

The "Powertrain Vent" for powertrains excels in oil and water repellency, capturing high-temperature oil mist and expelling clean air. We have added a "screw type" to our lineup, enabling direct attachment and achieving compactness and lightweight design. Not only does it equalize internal and external pressure, but it also captures high-temperature oil mist generated from within, allowing for the expulsion of purified air. It features protective functions to prevent the internal intrusion of major enemies such as dust, oil, and liquids! The main body is made of automotive-grade 66 nylon with glass, ensuring exceptional durability! This product can be used in harsh environments that require high strength and high-temperature resistance, as demanded by powertrains. Additionally, it includes a safety design that prevents cap detachment during installation or use, reduces work time, and achieves seamless integration with assembly devices. Furthermore, the highly oil-repellent integrated pre-filter contributes to the longevity of the equipment.

In the automotive industry, headlights require breathability to prevent internal condensation and moisture intrusion while also accommodating pressure fluctuations due to temperature changes. Particularly, maintaining the performance of headlights necessitates a balance between dust and water resistance and breathability. Snap vents address these challenges by providing both waterproofing and breathability, thereby maintaining the performance of headlights over the long term. [Usage Scenarios] - Headlights [Benefits of Implementation] - Prevention of internal condensation in headlights - Prevention of lens fogging - Extension of product lifespan

In both EV and conventional platforms, the powertrain housing undergoes repeated heating and cooling, experiencing continuous pressure fluctuations (pressure cycles). Without appropriate venting mechanisms, seals may fail, moisture may intrude, and electronic components or lubricants may degrade. Donaldson's vents prevent these issues. *For more details, please download the catalog or contact us.*

Events such as overcharging, internal short circuits, or thermal runaway generate gas and heat, causing a rapid increase in pressure inside the battery pack. If the pressure is not properly released, the accumulation of pressure may cause the battery pack to deform or burst. The vent (exhaust mechanism) provides a controlled gas discharge path, preventing uncontrolled explosions and directing gas away from critical components. Functions of the vent/breather for the battery pack: - Equalization of pressure during changes in altitude and temperature - Prevention of foreign object intrusion (dust, water, splashes from the road) - Reduction of the risk of bursting by discharging gas outside the pack during thermal runaway *For more details, please download the catalog or contact us.