Abstract: A fuel tank includes a tank panel in which a storage space of a fuel is formed, a tank inlet fixed to the tank panel, and a tank cap that allows the tank inlet to be opened and closed. The tank inlet includes a bottomed cylindrical inlet plate to which the tank cap is attached, an inlet pipe that protrudes from a bottom wall of the inlet plate into the storage space, and a separator configured to separate the fuel entering from the storage space into a liquid component and a gas component. The separator is supported by the bottom wall of the inlet plate in the storage space, and the separator is disposed on an outer side of the inlet pipe and on an inner side relative to an outer edge of the inlet plate in a bottom view of the tank inlet.

Abstract: A variable volume evacuable container has a closed bottom, an open top, and a spirally threaded inner wall extending therebetween. A lid configured to threadably engage the inner wall has a top surface, a perimeter, a bottom surface, and a funneling volume within the perimeter and below the bottom surface. A duct is defined through the top and bottom surfaces at the apex of the funneling volume, and a moveable baffle is coupled to the top surface to cover or uncover the duct. The bottom surface slopes continuously upward to the apex so that downward rotation of the lid against contained liquid forces air out of the duct until the liquid fills the funneling volume, allowing the baffle to seal the liquid from air by covering the duct.

Abstract: An object is to provide a closure with a structure having a drainage function to eliminate water immersion into a coated optical fiber against temporary flooding and to prevent water from continuously contacting the coated optical fiber. Another object is to provide a closure with improved workability for opening and closing. A closure according to the present invention protects a connection part that connects a coated optical fiber enclosed in a optical fiber cable with a coated optical fiber enclosed in a optical fiber cable. The closure includes a coated optical fiber housing that divides an interior of the closure into a first space that is on a side of a road and has a main body cable insertion hole for inserting the optical fiber cables from an exterior and a second space that is on an opposite side of the road and includes the connection part.

Abstract: A liquid discharge structure includes a bottom wall with a discharge opening for liquid, the liquid being collected inside a casing which is configured to be installed in a vehicle, a blocking wall disposed outside the bottom wall so that the blocking wall is overlapped with the discharge opening in a plan view on the bottom wall and opposed to the bottom wall with a gap, and a pair of vertical walls extending towards the bottom wall from the blocking wall in a front-rear direction of the vehicle, the pair of vertical walls being opposed to each other in a width direction of the vehicle, wherein the pair of vertical walls is configured to define a discharge path together with the bottom wall and the blocking wall, the discharge path being opened towards both of a front and rear side of the vehicle.

Abstract: An air inlet device of an air fryer, which has a heating chamber, includes an upper housing, and an upper cover disposed above and covering the upper housing. The upper cover and the upper housing cooperatively define a flow guide channel therebetween. The flow guide channel has an air inlet opening for entry of air into the air inlet device, and a chamber entry opening located inwardly of the air inlet opening for flowing of the air into the heating chamber. The flow guide channel has a curved shape from the air inlet opening to the chamber entry opening.

Abstract: A method for brewing and chilling a brewed beverage such as tea includes brewing the beverage; combining the brewed beverage with a chilling medium; and covering the combined brewed beverage and chilling medium with an air-tight lid assembly to form an airtight seal. The combined brewed beverage and chilling medium may then be agitated. The airtight seal traps vapor generated from the beverage during the chilling, thereby causing the vapor to re-enter the beverage to maintain optimum flavor.

Abstract: A vent valve for a closed tank, the vent valve being provided in an upper surface of the closed tank storing liquid, may include an upper housing provided with an upper air hole disposed outside the closed tank; a lower housing provided with a lower air hole disposed inside the closed tank; and a valve core provided in a housing space area surrounded by the upper housing and the lower housing and providing a ventilation path through which only gas passes between the upper air hole and the lower air hole.

Abstract: A gear assembly has a gear housing. A first component group is arranged in a first partial area within the gear housing. The first component group includes at least one sensor element and/or at least one actuator. A remote control device is coupled to the first component group so that signals can be exchanged by way of a bus system.

Abstract: A hand-held power tool transmission closure having a base body for closing a transmission housing opening of a transmission housing of a hand-held power tool, in particular a hammer drill or a combi-hammer, wherein the hand-held power tool transmission closure includes a tube protruding from the base body, which extends in the transmission housing when the base body closes the transmission housing opening. The hand-held power tool transmission closure includes an air channel which extends in a first air channel section through the base body and in a second air channel section through the tube so that an air mass can flow through the air channel into and out of the transmission housing.

Abstract: A breather cap assembly is configured to be connected to a stand-tube used in a watering system. When the watering system is in normal operation, the breather cap assembly is configured to allow for air to flow between the outside the assembly and the stand-tube. The breather cap assembly also provides for structure which acts as a baffle to minimize the introduction of foreign material from outside the breather cap assembly into the stand-tube. When the watering system is in flushing operation, the breather cap assembly is configured to seal off the stand-tube in order to minimize the possibility of water leaving the stand-tube. The breather cap assembly further also provides for structure which acts as a baffle to collect and retain a majority of any water that does leave the stand-tube during a flushing operation.

Abstract: Provided is a power distribution assembly including a power distribution housing. In some approaches, the power distribution housing includes a base having a main wall, a sidewall extending from the main wall, and a vent through the main wall. The vent may include a vent opening extending between an interior surface of the main wall and an exterior surface of the main wall. A plurality of passageways may be recessed into the exterior surface of the main wall, the plurality of passageways extending between the vent opening and the sidewall. The power distribution housing may further include a cover removably coupled to the base, the cover and the base defining an interior cavity operable to house at least one fusible element.

Abstract: Cell culture devices and methods of their use are provided according to aspects of the present invention which include a base having a pair of spaced apart wells and at least one fluid port defined from an exterior of the base to each of the wells, each fluid port being spaced above the base sheet by a distance sufficient to introduce a material above a matrix deposited on the base sheet in the wells; and a cover having a pair of spaced apart well covering portions that are each disposed above a respective one of the one spaced apart wells of the base body when the cover is covering the upper surface of the base body and having a gas passage defined between the spaced apart well covering portions and at least one gas port defined from an exterior of the cover to each of the well covering portions.

Abstract: A pump assembly includes an electric drive motor with a terminal box (6) arranged on the electric motor (4). At least one metallic component (34) extends from the electric drive motor (4) into an inside of the terminal box (6). A capture device (38, 40), for capturing condensation water collecting on the metallic component (34), is arranged in a proximity of the metallic component (34) in the inside the terminal box (6).

Abstract: A waterproof ventilator includes: an outer hollow body including: an internal space; a side with an outer opening adopted not to be covered with a water film at a lower portion thereof; and a bottom; and an inner hollow body including an internal space, at least a part of which is housed in the outer hollow body, and including: an outer surface disposed so as not to cause a water film to stay in a gap with an inner surface of the outer hollow body; an inner opening provided at a position not to be hit directly with water entering into the internal space of the outer hollow body through the outer opening and adopted not to be covered with a water film; an upper opening provided at an upper side than the inner opening and communicating with an exterior of the outer hollow body; and a bottom.

Abstract: The present invention is a separator device (oil separation) (100) for a device (1) for compressing a gas through the use of a compression fluid, comprising a compression chamber (2) suited to generate a compressed mixture of the gas and the compression fluid, and a separation tank (7) for the removal of the lubricant fluid from the compressed mixture, a first tubular element (101) suited to be inserted between the compression chamber (2) and the oil separation tank (7) of the compression device (1), in such a way as to convey the mixture inside the tank (7). The device (100) comprises means for deviating and/or conveying the flow of the compressed mixture that are suited to convey the mixture against the inner walls of the first tubular element (101) before the compressed mixture flows out of the first tubular element (101). The invention also concerns a separation tank (7) for a device (1) for compressing a gas through the use of a compression fluid.

Abstract: An attachment capable of preventing liquid from adhering to a specific electronic component within an electronic device. An electronic substrate has an attachment which can be attached to and detached from the electronic substrate. The attachment has an attachment part detachably attached to an edge of the electronic substrate; and a shield part connected to or integrally formed with the attachment part. The attachment part is a clip-like member having a certain degree of elasticity, and is configured to grip an edge of the electronic substrate so that the attachment is held at a predetermined place. The shield part has an inclined surface, and is configured to shield the electronic component so that liquid, such as a splash or droplet moving toward the electronic component, does not adhere to the component when the attachment is held at the predetermined place.

Abstract: A paint cup for a spray gun includes a container containing paint solvents, a lid body covering an upper opening of the container, and a ventilation member mounted in the container. The lid body includes an annular coupling portion protruding from an inner surface thereof, an inner rod located in the annular coupling portion, and a vent extending into an annular coupling groove of the annular coupling portion. A gap is formed between the ventilation member and the inner rod. When the container is turned upside-down, the paint solvents in the gap will flow into an accommodating groove formed between the inner rod and the annular coupling portion, and ambient air circulates in the container via the vent and the gap.

Abstract: A drinking container with a drinking vessel, a drinking cap and a threaded ring. The drinking vessel has an inner space, a circular vessel opening, an opening edge surrounding the vessel opening and an external thread next to the vessel opening. The drinking cap has a bottom wall, a ring flange surrounding the bottom wall for abutment on the opening edge of the drinking vessel, a drinking element protruding outwards from the bottom wall and a valve for sealing and opening a passage from the inner space to the outside of the mouthpiece, which is openable for drinking and otherwise closable. A ventilation channel is present in the bottom side of the ring flange or in the top side of the opening edge.

Abstract: A drinking container with a drinking vessel, a drinking cap and a threaded ring. The drinking vessel has an inner space, a circular vessel opening, an opening edge surrounding the vessel opening and an external thread next to the vessel opening. the drinking cap has a bottom wall, a ring flange surrounding the bottom wall for abutment on the opening edge of the drinking vessel, a drinking element protruding outwards from the bottom wall and a sealing means for sealing and opening a passage from the inner space to the outside of the mouthpiece, which is openable for drinking and otherwise closable. A ventilation channel is present in the bottom side of the ring flange or in the top side of the opening edge.

Abstract: The invention relates to a lid for a closeable mixing container for a paint gun. The lid is provided with a ventilation opening. The ventilation opening is embodied as a labyrinth seal with three cylinders (11, 12, 14), inserted into each other and allowing air to flow.

Abstract: A cargo container and method for transporting hazardous material includes a housing, a frame, and a lid, or, alternatively a door. The frame and housing define an opening and an interior storage space for containing the hazardous material. The lid or door is operatively connected to the frame and covers the opening for inhibiting access to the interior storage space. A first gasket fluidly seals the lid or door for inhibiting hazardous material from moving from the interior storage space to an outer environment. Additionally, the cargo container may include a second gasket, a seal arrangement, and/or a tortuous path for deflecting airborne hazardous materials from the first gasket and further inhibiting hazardous material from moving from the interior storage space to the outer environment.

Abstract: The present invention provides a fuel cap adapted to close an inlet of a fuel tank. The fuel cap includes a body portion adapted to engage the inlet of the fuel tank. The body portion defines a central axis. The fuel cap also includes a valve coupled to the body portion. The valve selectively allows an airflow through the body portion. The fuel cap further includes a cap cover coupled to the body portion and movable along the central axis relative to the body portion.

Abstract: A plastic closure including a bottom part and a lid that has an annular retaining bead in the bottom part. A disk having a support surface is held positively or non-positively in the bead. The disk includes one or more through-passages, which open into a chamber. A thixotropic fluid present in a flexible container reaches the chamber through the through-passages, where the fluid performs a directional change from axial to radial and after a second directional change from radial to axial flows out through the spout opening, wherein a constriction between the two directional changes accelerates the flow.

Abstract: A fuel tank cap includes a housing having a side wall, a bottom wall, and a receptacle, a fuel vapor adsorption material positioned within the receptacle, an inlet at least partially defined by the bottom wall and configured to provide fluid communication with a fuel tank vapor space, an outlet at least partially defined by the bottom wall and configured to provide fluid communication with the atmosphere, an internal wall extending from the bottom wall at least partially into the receptacle, and an aperture at least partially defined by the internal wall and configured to permit fuel vapor to flow in a vapor flow path from one side of the internal wall to the other side of the internal wall.

Abstract: A cup for reducing or eliminating spillage or shake-out. The cup has a cap and a spill and shake-out inhibiting element. The spill and shake-out inhibiting element is a dispensing tunnel, which provides for the formation of a pressure differential between the inside of the cup and the atmosphere when fluid begins to flow through the dispensing tunnel. The pressure differential, when it reaches a predetermined level, prevents further flow or movement of the fluid through the dispensing tunnel until additional suction is applied by the user. The diameter of the dispensing tunnel is small enough to effectively prevent air bubbles from flowing past the fluid in the dispensing tunnel.

Abstract: A plastic closure for dispensing thixotropic fluids from a flexible bottle. The closure has a bottom part including a cover surface with a spout opening Beneath the cover surface a support surface in which several axially extending through-passages are disposed, which are radially offset relative to the spout opening. The support surface includes partial elements in the form of tongues, which are integrally formed on an annular jacket wall by way of integral hinges which engage in a pin in the installed state. This results in a closure that can be manufactured particularly inexpensively, is simple to install, and can be produced in one piece.

Abstract: A device (1) for housing a scientific sample comprising at least one sample well (2) and an on-board buffering substance (3) wherein the onboard buffering substance (3) at least partly surrounds the sample well (2). The on-board buffering substance (3) may be in the form of a matrix, such as a gel-like matrix. The device (1) may further comprise an insulating means. Also described is a substance for use in culturing and/or assaying a sample whereby the substance provides atmospheric and thermal buffering. The invention further provides a lid for a single-well or multi-well sample plate, the lid being configured to facilitate delivery of a sample through the lid into a well, and for sealing the well. The lid comprises moveable portions (52, 53) that have at least one orifice (54, 57) formed through the moveable portions (52, 53) such that a conduit is formed by alignment of the orifices (54, 57) of both the lid portions (52, 53).

Abstract: A beverage cooling container top apparatus includes a bottom reservoir wall portion which includes a cooling reservoir fill channel. A top reservoir wall portion includes a cooling reservoir access channel. The top reservoir wall provides a closed top. A side wall portion extends between the bottom reservoir wall portion and the top reservoir wall portion. A container-reception portion is connected to the side wall portion. The bottom reservoir wall portion, the top reservoir wall portion, and the side wall portion define a cooling reservoir. Preferably, cooling fins are located on the top reservoir wall portion. A main reservoir access channel can be provided to bypass the cooling reservoir when the contents of the beverage cup are no longer hot. The apparatus of the invention holds and cools a portion of the hot contents of a beverage cup to prevent a user from a very unpleasant burning of the lips and tongue from the hot beverage in the beverage cup.

Abstract: A cup lid for attachment to a disposable drinking cup having a center portion with an opening therein, a peripheral edge surrounding the center portion for engaging the drinking cup, a plug disposed outside the peripheral edge of the cup lid and connected to the peripheral edge of the cup by two flexible support arms for allowing the plug to be repositioned at the opening.

Abstract: A fuel tank cap for a fuel tank of an engine. The fuel tank cap includes a fuel cap cover, a housing having a side wall, a bottom wall, and a receptacle, a fuel vapor adsorption material positioned within the receptacle, an inlet disposed near the bottom wall and configured to provide fluid communication with a fuel tank vapor space, an outlet disposed near the bottom wall and configured to provide fluid communication with the atmosphere, an internal wall adjacent the bottom wall and disposed between the inlet and the outlet, and at least one aperture configured to permit fuel vapor to flow in a vapor flow path from one side of the internal wall to the other side of the internal wall.

Abstract: An oil fill cap for an internal combustion engine replaces a standard cap and provides separation of air and oil in a separation zone within the cap body. The cap body defines a plurality of passages therethrough, including an upstream passage, and first and second downstream passages meeting at a separation junction. The cap body defines a separation zone at the separation junction and receiving the air/oil mixture from the engine through the upstream passage, and sending separated air to the first downstream passage, and sending separated oil to the second downstream passage.

Abstract: The invention concerns a vent cap for oil tanks of machines and motor equipment, comprising a cup (1), equipped with means of engagement (4) with the seat of the tank filler, and a lid (12) mounted on the cup and which snaps thereon. Between the cup (1) and the lid (12) there is a gap allowing the vapor outflow from the tank to the outer environment or viceversa. According to the invention, said lid (12) comprises two cylindrical diaphragms (12b, 12c), concentric to the cap axis and which, in cooperation with the cup (1), form labyrinth means for the flow of vapors and air. Cup (1) also carries a guide (7) supporting a level rod (8), consisting of a central, cylindrical main body (7b), wherefrom ribs (7a) for anchoring to the cup (1) depart. Guide (7) extends, at the top, into two flexible flaps (7c), provided with means of engagement (10) of the rod (8).

Abstract: A unitary splash-proof beverage lid for engagement with a cup rim having a well with a drinking hole, a plug, optionally with a drinking hole, whereby said plug is rotatably connected by a pair of support arms to the lid in a friction fit relationship.

Abstract: A container structure includes a lid and a holder. The lid has a through hole having air-permeable troughs having inner and outer openings. The inner and outer openings of adjacent air-permeable troughs are in opposite directions. An elastic plug is fitted within the through holes, and an air-permeable passageway is formed. By providing the air-permeable passageway, high-temperature circular vapors are regulated and vented. Thus, the lid is prevented from being blown open by the vapors. Clip-on pieces and lower ribs are provided on a sealing portion of the lid. Upward bending portions and upper ribs are provided on a marginal frame portion of the holder. The lid is securely fitted onto the holder by mutual restriction of the lower and upper ribs. Pressing the clip-on pieces down will deform the sealing portions, and will free the lower ribs from the restriction of the upper ribs to open the lid quickly.

Abstract: A filter container comprises a top cap, and a bowl formed of a rigid material. The top cap includes a top cap flange that includes a first path around at least a portion of the top cap flange. The bowl includes a bowl flange that includes a second path around at least a portion of the bowl flange. At least one of the first path and the second path include a reduced thickness of material by comparison with surrounding material. The first path is at a different radial distance from a central axis of the filter container than the second path around the extent of both the first path and the second path, such that exerting a force on an opening member creates a tear through the top cap flange and bowl flange, the tear forming between the first path and the second path and allowing opening of the filter container.

Abstract: A venting container including a lid and base having an inner cavity and a side wall that terminates in a rim, the lid including a central panel and a peripheral sealing lip that surrounds the panel, the peripheral sealing lip having a generally inverted U-shaped cross section that defines a lid channel into which the container rim fits, the sealing lip including at least one venting feature in the form of a flexible venting button that is adapted to transition from a first position to a second position upon application of an actuation force, the venting button being further adapted and positioned whereby when the container rim is positioned in the lid channel and the venting button is in the first position, sealed engagement of the lid to the container is effectuated and when the venting button is in the second position a venting air passage is provided from the container cavity to the container surroundings.

Abstract: A transmission system for either a manual shift transmission, an automatic transmission or an automated transmission in which the electrical connections and the pneumatic connections including any ventilation port, for the internal components of the transmission are combined with one another so as to exit the transmission housing via a single unified connection formed in the housing wall of the transmission.

Abstract: The invention concerns a vent cap for oil tanks of machines and motor equipment, comprising a cup (1), equipped with means of engagement (4) with the seat of the tank filler, and a lid (12) mounted on the cup and which snaps thereon. Between the cup (1) and the lid (12) there is a gap allowing the vapour outflow from the tank to the outer environment or viceversa. According to the invention, said lid (12) comprises two cylindrical diaphragms (12b, 12c), concentric to the cap axis and which, in cooperation with the cup (1), form labyrinth means for the flow of vapours and air. Cup (1) also carries a guide (7) supporting a level rod (8), consisting of a central, cylindrical main body (7b), wherefrom ribs (7a) for anchoring to the cup (1) depart. Guide (7) extends, at the top, into two flexible flaps (7c), provided with means of engagement (10) of the rod (8).

Abstract: Device for the ventilation of a transmission case (11) that is normally intended to hold liquid lubricant for transmission components and includes a residual internal volume of air inside the transmission case that is connected to the atmospheric pressure by way of a passage. With the aim of reducing the quantity of dirt particles than can get into the transmission case by way of the said passage, the passage includes a first section (27) with a certain flow area and a second section (26) with, by comparison, an at least approximately 50% larger flow area. The first section (27) is situated between the atmosphere and the second section (26). A compressed air source (18) is connected to the passage between the internal volume of the transmission case (11) and the first section (27).

Abstract: A brake fluid reservoir (10) for a vehicle hydraulic brake system has a filler neck (16), a lid (18) which closes the filler neck, and a device for pressure compensation between the reservoir interior and the ambient atmosphere. In order, when the brake fluid reservoir (10) is in a steeply inclined position, to prevent an escape of brake fluid, in the lid (18) a first brake fluid forced-flow channel (32) is formed, which has an inlet (34) at the inside of the lid and an outlet (36) towards the outside of the lid. The forced-flow channel (32) extends between the inlet (34) and the outlet (36) along a curved path, which in relation to a plan view of the lid (18) runs through at least two quadrants.

Abstract: An electrical connection box has upper and lower casings (10, 11) for accommodating circuitry. A surrounding wall (10a) of the upper casing (10) fits inside a surrounding wall (11a) of the lower casing (11). Engaging locking claws (10b, 11b) project from the outer surface of the surrounding wall (10a) of the upper casing (10) and from the inner surface of the surrounding wall (11a) of the lower casing (11). An upper wall of the upper casing (10) is inclined down from a center portion to three peripheral edges. A drainage path (13) is defined by a clearance between the surrounding walls (10a, 11a) of the upper and lower casings (10, 11). A bottom wall of the lower casing (11) has drainage holes (14) at the bottom end of the drainage path (13).

Abstract: Disclosed are a vent disclosed for a septic system, including a conduit configured to vent gas therefrom, including a leg configured to conceal a portion of, and convey gas from, the conduit, and a method of concealing a conduit configured to vent gas from a septic system including sizing the conduit, then mounting on the conduit a leg configured to convey gas from the conduit.

Abstract: A baffle seal at the opening (31) for the load-transmitting member (20) in a balance housing (30) has at least one sleeve-shaped ring element (11, 110), fastener means (23) attached to the housing (30) and serving to hold the sleeve-shaped ring element in a stationary working position surrounding the opening, and a cover cap (1) with at least one sleeve-shaped ring (10, 10?, 12) that is axially movable relative to the sleeve-shaped ring element. The ring element is releasable so that it can be separated from the balance without dismantling other parts.

Abstract: A contrast dispensing system (10) reduces cost by directly connecting a check valve (210) to and between the reservoir inlet port (220) and the mating luer connector (204) of a disposable set (200). A contrast dispensing system (10) includes as part of the reservoir (212) an integrally molded cap (280) having the inlet port (200) and a lateral pipe (300) to confine contrast media (14) therein and disperse it at separate locations (334, 336) within the chamber (260) of reservoir (212). The reservoir (212) may have a vent port (284) with a flip cap (294) for selectively opening or closing same.

Abstract: A fuse box is mounted on an upper surface of a battery. A battery fuse accommodated inside the fuse box and a battery post projected from the battery are electrically connected to each other through a battery terminal and bus bars. A plurality of drainage holes are formed on a lower case of the fuse box. A droplet-dividing rib having a certain height projects from a bottom wall of the case of the fuse box at a position between adjacent drainage holes to divide and isolate the gap between the drainage holes to prevent current leaks or shorts between the bus bars due to liquid drained from the drainage holes.

Abstract: A tank cap having an upper breather chamber, a lower breather chamber and a separator having a communication bore permitting communication between the chambers. An auxiliary separator in the lower breather chamber is connected to the separator and is provided with upper and lower transverse bores extending from an annular chamber section surrounding upper and lower central chamber sections in the lower breather chamber to the upper and lower central chamber sections, respectively. This arrangement provides an effective damping function against liquid entering into the lower breather chamber to inhibit the flowing of the liquid from the lower breather chamber into the upper breather chamber.

Abstract: The present invention relates to a compensation reservoir (6) with a cover (1) for a hydraulic brake system. An object of the present invention is directed to simplifying the prior art cover (1) that typically comprises several parts in such a manner that it can be made from one piece, without reducing the demands being placed on the cover. According to the present invention, this object is achieved in that a cylinder opening (11) extending in a radial direction is shaped into the material of the cover, said opening providing an air duct (11) that starts from the center axle of the reservoir (16) and extends to the radial, external inner space of the cover (1).

Abstract: A venting closure assembly for and milk tank where there is an outside stainless steel cover and a venting closure member positioned beneath the cover. The venting closure member forms a circumferential seal around the periphery of the cover and in one form has a downward and outward flaring flexible skirt, which forms a peripheral venting channel. When there is a surge of product in the tank (e.g. caused by acceleration of the tank) the surge of liquid is forced upwardly against the closure member and takes a circumferential path to slowdowns the surge of milk. In another form, a two-piece closure member is employed.

Abstract: A tank cap having an upper breather chamber, a lower breather chamber and a separator having a communication bore permitting communication between the chambers. An auxiliary separator in the lower breather chamber is connected to the separator and is provided with upper and lower transverse bores extending from an annular chamber section surrounding upper and lower central chamber sections in the lower breather chamber to the upper and lower central chamber sections, respectively. This arrangement provides an effective damping function against liquid entering into the lower breather chamber to inhibit the flowing of the liquid from the lower breather chamber into the upper breather chamber.

Abstract: The reservoir includes a tank having an inlet, and a cap for covering the inlet. The cap further comprises an outer portion, an inner portion, a labyrinth, a protruding portion, a vent hole and a check valve. The inner portion is arranged in the outer portion to define the labyrinth therebetween. The labyrinth is opened to outside of the tank. The protruding portion is formed on the center of the inner portion to protrude in a direction of the inside of the tank, in which the vent hole is formed to communicate between inside of the tank and the labyrinth. The check valve is arranged on an upper end of the vent hole, and is constructed to permit the communication of air through the vent hole and to prevent a leak of the fluid through the vent hole.