IP Library Granted Patent US 12,276,331
Granted Patent B2
US 12,276,331 · App. 18/256,656 · Granted Apr 15, 2025

Transmission including a baffle plate

Inventor: Akira Tsuchida (Sagamihara, JP)
Assignees: JATCO LTD; NISSAN MOTOR CO., LTD.
F16H57/0423F16H57/0457
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Quick Facts
Patent No.
US 12,276,331
App. No.
18/256,656
Granted
Apr 15, 2025
Kind
B2
Abstract

A device includes a case; a first rotating body that has at least a part immersed in the oil in an oil bath; a second rotating body disposed in the case at a position not immersed in the oil in the oil bath; a plate; a first wall portion provided on the plate between the first rotating body and the second rotating body; a second wall portion provided above the first wall portion in a gravity direction and extending toward a direction away from the first rotating body; and a fourth wall portion provided between the first rotating body and the second rotating body and extending in a vertical direction on the plate, wherein the first wall portion is provided on a first rotating body side of the plate, and the fourth wall portion is provided on a second rotating body side of the plate.

Claims (16)

1. A device, comprising:

a case forming an oil bath in which oil is stored;

a first rotating body that is disposed in the case and has at least a part immersed in the oil in the oil bath;

a second rotating body disposed in the case at a position not immersed in the oil in the oil bath and provided on a radially outer side of the first rotating body;

a plate disposed in the case at a position not immersed in the oil in the oil bath;

a first wall portion provided on the plate between the first rotating body and the second rotating body;

a second wall portion provided above the first wall portion in a gravity direction and extending toward a direction away from the first rotating body; and

a fourth wall portion provided between the first rotating body and the second rotating body and extending in a vertical direction on the plate, wherein

the first wall portion is provided on a first rotating body side of the plate, and

the fourth wall portion is provided on a second rotating body side of the plate.

2. The device according to claim 1 , further comprising:

a third wall portion provided below the first wall portion in the gravity direction and extending toward a direction approaching the first rotating body.

3. The device according to claim 1 , wherein

the second wall portion is provided on the plate.

4. The device according to claim 2 , wherein

the third wall portion is provided on the plate.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 9, 2023
From: TSUCHIDA, AKIRA
To: JATCO LTD; NISSAN MOTOR CO., LTD.
Reel/Frame 063903/0488 →
Priority Claims (1)
JP 2020-207680 · Dec 15, 2020 · national
Continuity (1)
Related Publication 20240035559A1 · Feb 1, 2024
References Cited (22)
US 4693133A · Tomita · 1987 [cited by examiner]
US 6238312B1 · Tsubata · 2001 [cited by examiner]
US 6616432B2 · Szczepanski · 2003 [cited by examiner]
US 7421921B2 · Kimura · 2008 [cited by examiner]
US 7686137B2 · Tominaga · 2010 [cited by examiner]
US 8875841B2 · Yoshimi · 2014 [cited by examiner]
US 9435421B2 · Mafune · 2016 [cited by examiner]
US 9631715B1 · Steward · 2017 [cited by examiner]
US 10208848B2 · Hotait · 2019 [cited by examiner]
US 10309519B2 · Zhang · 2019 [cited by examiner]
US 10837541B2 · Itou · 2020 [cited by examiner]
US 10907724B2 · Akiyama · 2021 [cited by examiner]
US 11585426B2 · Toyoshima · 2023 [cited by examiner]
US 20060060424A1 · Tominaga · 2006 [cited by examiner]
US 20060065487A1 · Tominaga · 2006 [cited by examiner]
US 20150337947A1 · Steward · 2015 [cited by examiner]
US 20170108111A1 · Steward · 2017 [cited by examiner]
US 20190085971A1 · Itou · 2019 [cited by examiner]
US 20190145509A1 · Yu · 2019 [cited by examiner]
US 20200263781A1 · Akiyama · 2020 [cited by examiner]
US 20200263782A1 · Toyoshima · 2020 [cited by examiner]
JP 2012102818A · 2012 [cited by applicant]