US2025334304A1PendingUtilityA1

Flow path unit and refrigerant circulation device

Assignee: NIDEC CORPPriority: Apr 26, 2024Filed: Apr 21, 2025Published: Oct 30, 2025
Est. expiryApr 26, 2044(~17.7 yrs left)· nominal 20-yr term from priority
F25B 41/42F25B 41/20F25B 41/40F25B 2700/19
71
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Claims

Abstract

A flow path assembly includes a main body including a flow path continuous with each of a first opening and a second opening, a first tubular body extending in a first direction intersecting the first opening in the flow path and including a plurality of holes, and a sensor to detect a pressure in the first tubular body. A first end of the first tubular body in the first direction is connected to the first opening. The sensor is closer to a second end of the first tubular body than the first end of the first tubular body.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A flow path assembly comprising:
 a main body including a flow path continuous with each of a first opening and a second opening;   a first tubular body extending in a first direction intersecting the first opening in the flow path and including a plurality of holes; and   a sensor to detect a pressure in the first tubular body;   
       wherein
 a first end of the first tubular body in the first direction is connected to the first opening; and 
 the sensor is closer to a second end of the first tubular body than the first end of the first tubular body. 
 
     
     
         2 . The flow path assembly according to  claim 1 , wherein
 the main body includes:
 a first pipe including the first opening, a bottom wall, and a semi-through hole between the first opening and the bottom wall; and 
 a second pipe extending from a position between the first opening and the bottom wall in the first pipe, and including the second opening and a through hole continuous with each of the semi-through hole and the second opening; 
   the first tubular body is located in the semi-through hole; and   the sensor is attached to the bottom wall.   
     
     
         3 . The flow path assembly according to  claim 1 , wherein the second opening opposes the first tubular body in a second direction intersecting the first direction. 
     
     
         4 . The flow path assembly according to  claim 2 , wherein the second pipe extends from the position in a second direction intersecting the first direction. 
     
     
         5 . The flow path assembly according to  claim 2 , further comprising a support that supports the first tubular body at a position spaced away from the first pipe. 
     
     
         6 . The flow path assembly according to  claim 5 , wherein
 the support includes a second tubular body between the bottom wall and an end of the first tubular body;   the second tubular body is attached to the bottom wall and is in contact with an inner surface of the first tubular body; and   the sensor includes a pressure receiving portion inside the second tubular body.   
     
     
         7 . The flow path assembly according to  claim 6 , wherein the second tubular body includes a portion having a larger inner diameter at a position farther from the bottom wall. 
     
     
         8 . A refrigerant circulation device comprising the flow path assembly according to  claim 1  at a refrigerant inflow port.

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