阅读说明：本技术 容积流量计 (Volumetric flowmeter ) 是由 法布里齐奥·帕里斯 马西莫·达维 毛里齐奥·伦代西 保罗·拉韦达蒂 于 2019-07-08 设计创作，主要内容包括：容积流量计,壳体(10),其适于配合在管道(C；51、62、63)中并且包括基体(11)和盖体(13),基体(11)与盖体(13)配合限定容纳腔(15),容纳腔(15)在相对侧上由基体(11)中形成的基部平面(11c)和盖体(13)中形成的盖体平面(13d)限定,其中,穿过盖体(13)形成有入口通道(13e),入口通道(13e)与容纳腔(15)流体连通并且垂直于基部平面(11c)延伸,并且其中,穿过基体(11)的底部(11d)形成有出口通道(11e),出口通道(11e)与容纳腔(15)流体连通并且垂直于基部平面(11c)延伸。流量计还包括可旋转地安装在容纳腔(15)内的一对转子(17、18)、设置在转子(17)的其中一个上的永磁体(19)、以及磁传感器(20)。(A volumetric flowmeter, a housing (10) adapted to fit in a conduit (C; 51, 62, 63) and comprising a base body (11) and a cover body (13), the base body (11) and the cover body (13) cooperating to define a containment chamber (15), the containment chamber (15) being defined on opposite sides by a base plane (11C) formed in the base body (11) and a cover plane (13d) formed in the cover body (13), wherein an inlet channel (13e) is formed through the cover body (13), the inlet channel (13e) being in fluid communication with the containment chamber (15) and extending perpendicularly to the base plane (11C), and wherein an outlet channel (11e) is formed through a bottom (11d) of the base body (11), the outlet channel (11e) being in fluid communication with the containment chamber (15) and extending perpendicularly to the base plane (11C). The flowmeter further comprises a pair of rotors (17, 18) rotatably mounted in the housing chamber (15), a permanent magnet (19) provided on one of the rotors (17), and a magnetic sensor (20).)

1. A volumetric flow meter comprising:

a housing (10) adapted to be fitted in a duct (C; 51, 62, 63) and comprising a base body (11) and a cover body (13), the base body cooperating with the cover body to define a housing cavity (15), the housing cavity (15) being defined on opposite sides by a base plane (11C) formed in the base body (11) and a cover plane (13d) formed in the cover body (13), wherein an inlet channel (13e) is formed through the cover body (13), the inlet channel being in fluid communication with the housing cavity (15) and extending perpendicularly to the base plane (11C), and wherein an outlet channel (11e) is formed through a bottom (11d) of the base body (11), the outlet channel being in fluid communication with the housing cavity (15) and extending perpendicularly to the base plane (11C),

a pair of rotors (17, 18) around respective axes of rotation (x) perpendicular to the base plane (11c)_A、x_B) Rotatably mounted in said housing chamber (15),

at least one permanent magnet (19) arranged on one of the rotors (17), and

a magnetic sensor (20) adapted to detect a rotational movement of the permanent magnet (19),

wherein a fluid flow entering by the inlet channel (13e) and exiting by the outlet channel (11e) is able to rotate the rotor (17, 18) within the housing chamber (15), and

wherein the magnetic sensor (20) is configured to provide an electrical signal indicative of a volumetric flow rate of the fluid flow.

2. A volumetric flow meter according to claim 1, wherein the rotors (17, 18) are coupled to each other.

3. A volumetric flow meter according to claim 1 or 2, wherein the inlet passage (13e) and the outlet passage (11e) are arranged offset with respect to the central axis of the housing (10).

4. A volumetric flow meter according to any of the preceding claims, wherein the magnetic sensor (20) is mounted to the base body (11).

5. A volumetric flow meter according to any of claims 1-3, wherein the magnetic sensor (20) is adapted to be mounted to the conduit (C; 51, 62, 63).

6. A volumetric flow meter according to any of the preceding claims, wherein the cover (13) is snap-fitted to the base body (11).

7. A volumetric flow meter according to any of the preceding claims, wherein the housing (10) is free of gaskets between the base body (11) and the cover body (13).

8. A volumetric flow meter according to any of the preceding claims, wherein the containment chamber (15) has a four-lobed cross-sectional shape and comprises two opposite main lobes (15a, 15b) in which the rotors (17, 18) are respectively housed, and two opposite secondary lobes (15c, 15d) arranged perpendicularly to the main lobes (15a, 15b), the inlet passage (13e) and the outlet passage (11e) being respectively connected to the two opposite secondary lobes.

9. A volumetric flow meter according to any of the preceding claims, wherein a sealing lip (13C) is formed on the outer peripheral edge of the cover (13), extending radially and axially outwards and adapted to engage the inner surface of the conduit (C; 51, 62, 63).

10. A volumetric flow meter according to any of the preceding claims, wherein a shoulder surface (11b) is formed on the base body (11), said shoulder surface being adapted to engage a corresponding seat formed on the inner surface of the conduit (C; 51, 62, 63).

11. A fluid component (50; 60) comprising a conduit (C; 51, 62, 63) adapted to be crossed by a fluid flow along a main flow direction, in which conduit a volumetric flow meter according to any of the preceding claims is fitted, wherein the inlet channel (13e) and the outlet channel (11e) of the volumetric flow meter are arranged parallel to the direction of extension (z) of the conduit (C; 51, 62, 63) so that a fluid flow can pass through the inlet channel (13e) and the outlet channel (11e), respectively, along a direction parallel and coincident with the main flow direction in the conduit (C; 51, 62, 63).