摘要:
In general this invention relates to an antifreeze composition that can be used in the cooling systems of internal combustion engines, for example, in heavy-duty diesel engines, light duty trucks and cars. The antifreeze composition can be added to water or other suitable liquid coolant in the cooling system, to lower the freezing point temperature of the coolant and inhibit corrosion of metallic components associated with the cooling system. The antifreeze composition is particularly well suited, although not exclusively, for use with hard water. The antifreeze composition includes an organic acid component comprising adipic acid and at least one of benzoic acid and one or more C 9 -C 12 dicarboxylic acid--or salts of these acids. The antifreeze composition also includes other anti-corrosive additive, for example, molybdate, nitrite, nitrate silicate azoles and a variety of buffer agents.
摘要:
A diesel engine crankcase ventilation filter has a flat low profile modular filter housing (24), preferably extending vertically and having a top opening (90) closed by a modular filter element (34) inserted downwardly thereinto and closing and completing the housing (24). The construction provides a closed crankcase ventilation, CCV, filter in mobile diesel engine applications of limited space.
摘要:
An exhaust aftertreatment filter (100) is provided for internal combustion engine exhaust, and includes an axially extending cylindrical filter roll (106) having pleated filter media (110) defining a plurality of axially extending flow channels (130), and having a first open-flow section (142) with open flow channels (140), and a second filtering section (148) with alternately sealed flow channels (136, 138) forcing exhaust to flow through (158) the pleated filter media (110). A core section (142) aides filter regeneration by providing an exothermic reaction. A combination catalytic converter and filter includes a first catalytic section (142) treated with a catalyst, and a second filter section (148) with alternately sealed flow channels (136, 138).
摘要:
A replaceable filter cartridge for use in a fluid filter assembly includes a substantially cylindrical filter element including a pair of oppositely disposed filter element ends. A first endplate is bonded to one of the filter element ends so as to close the end and prevent fluid leakage therethrough. A second endplate is bonded to the opposite filter element end so as to close the opposite end and prevent fluid leakage therethrough. The second endplate includes an outer annular wall which is sized so as to create a noticeable distance of separation between the second endplate outer wall and the outer surface of the filter element and thereby define an annular clearance space therebetween. The outer wall of the second endplate is annular and substantially concentric with the filter element and provides a lip or free edge for the snap-on assembly of a closing lid member. By configuring the lid member with a series of snap-over fingers, it is possible to simply snap the lid onto the second endplate and thereafter use the lid for handling and manipulation of the replaceable filter cartridge.
摘要:
A water drain valve (20) for use in cooperation with a fuel filter having a water separation capability includes a valve housing (23), a flow-control piston (22) disposed within the valve housing (23), a first sealing grommet (60) defining a water flow path into the valve housing (23), a second sealing grommet (60a) defining an air flow path out of said valve housing (23) and a spring-biased control lever (21) assembled to the valve housing and cooperating with the flow-control piston (22) so as to rotate the piston (22) from a drain valve normally-closed condition to a drain valve normally-open condition. The valve housing (23) is a unitary casting having a sidewall (39) defining first (41) and second (42) flow apertures, one of which (42) receives the first sealing grommet (60) and the other of which receives the second sealing grommet (60a). The flow-control piston (22) includes a first part-spherical portion (32) which includes a water drain passageway (35) therethrough leading to a drain opening (43) which is defined by the valve housing (23). The flow-control piston (22) also includes a second part-spherical portion (33) defining an air flow passageway (36) therethrough leading from the drain opening (43). In the normally-closed condition, the flow-control piston (22) is turned such that the first part-spherical portion (32) closes the flow communication between the water drain passageway (35) and the water flow path. Concurrently, the second part-spherical portion (33) closes the flow communication between the air flow passageway (36) and the air flow path. In the opened condition, there is flow communication between the water drain passageway (35) and the water flow path and between the air flow passageway (36) and the air flow path for draining water from the fuel filter and providing vent air into the fuel filter.
摘要:
An exhaust aftertreatment filter (100) is provided for internal combustion engine exhaust, and includes an axially extending cylindrical filter roll (106) having pleated filter media (110) defining a plurality of axially extending flow channels (130), and having a first open-flow section (142) with open flow channels (140), and a second filtering section (148) with alternately sealed flow channels (136, 138) forcing exhaust to flow through (158) the pleated filter media (110). A core section (142) aides filter regeneration by providing an exothermic reaction. A combination catalytic converter and filter includes a first catalytic section (142) treated with a catalyst, and a second filter section (148) with alternately sealed flow channels (136, 138).
摘要:
A fluid filter (20) has a filter element (27) for filtering fluid. A nutplate (22) having a threaded mounting portion (37) is adapted to threadedly engage an externally threaded filter head (71). A inner seal retainer (24) is positioned between the nutplate (22) and the filtering element (27) in order to define a hollow interior. The inner seal retainer (24) has at least one stiff hollow web (54) extending in a radial direction adapted to provide a space for transmitting fluid between fluid between the nutplate (22) and the filter element (27). An inner radial seal (26) is attached to the inner seal retainer (24) for sealing the filter element (27) with the filter head (71).
摘要:
A process for enhancing the pleatability of a meltblown web (10) uses ultrasonic bonding wheels (18) to create bond lines (20) in the machine direction (12) as the web (10) is being produced. In addition to, or in place of, the bond lines, ribbons (30) made of the web material, a thermoplastic polymer, string saturated with a phenolic or ultraviolet curing resin, or beads of an ultraviolet curing resin may be ultrasonically bonded to the web (10) to enhance its stiffness. A heated scoring bar (25) or ultrasonic horn forms pleats in the web (10) by heating the web (10) above its glass transition temperature and deforming the web (10) into the pleated configuration. Cooling of the web (10) locks the pleats into position.